| **Employee Benefit Plans - (Tables)**                                                        | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
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| **Compensation and Retirement Disclosure [Abstract]**                                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Defined benefit plan funded status of plan                                                   | Below is the reconciliation of the beginning and ending balances of benefit obligations, fair value of plan assets and the funded status of our plans. U.S. Pension Benefits Non-U.S. Pension Benefits Other PostretirementBenefits  2014 2013 2014 2013 2014 2013Change in benefit obligation:           Benefit obligation at beginning of year$649 $589 $799 $740 $128 $148Service cost70 65 11 12 6 6Interest cost28 21 34 31 5 5Actuarial loss (gain)21 2 120 36 1 (22)Benefits paid(35) (24) (29) (24) (7) (9)Plan amendments— — — — (11) —Other(5) (4) (3) (3) — —Foreign currency translation adjustments— — (60) 7 — —Benefit obligation at end of year728 649 872 799 122 128            Change in plan assets:           Fair value of plan assets at beginning of year617 524 645 592 — —Actual return on plan assets39 78 122 52 — —Employer contributions32 43 78 18 7 9Benefits paid(35) (24) (29) (24) (7) (9)Other(5) (4) — (2) — —Foreign currency translation adjustments— — (49) 9 — —Fair value of plan assets at end of year648 617 767 645 — —            Funded status - underfunded at end of year$(80) $(32) $(105) $(154) $(122) $(128)            Accumulated benefit obligation$662 $599 $832 $767 $122 $128                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Amounts recognized in the Consolidated Balance Sheet                                         | The amounts recognized in the consolidated balance sheets consist of the following at December 31: U.S. Pension Benefits Non-U.S. Pension Benefits Other PostretirementBenefits  2014 2013 2014 2013 2014 2013Noncurrent assets$— $— $42 $12 $— $—Current liabilities(2) (2) (7) (7) (13) (14)Noncurrent liabilities(78) (30) (140) (159) (109) (114)Net amount recognized$(80) $(32) $(105) $(154) $(122) $(128)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Accumulated benefit obligations in excess of plan assets                                     | Information for the plans with ABOs in excess of plan assets is as follows at December 31: U.S. Pension Benefits Non-U.S. Pension Benefits Other PostretirementBenefits  2014 2013 2014 2013 2014 2013Projected benefit obligation$19 $18 $164 $399 n/a n/aAccumulated benefit obligation$18 $17 $125 $371 $122 $128Fair value of plan assets$— $— $17 $237 n/a n/a                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Weighted average assumptions used to determine benefit obligations                           | Weighted average assumptions used to determine benefit obligations for these plans are as follows for the years ended December 31: U.S. Pension Benefits Non-U.S. Pension Benefits Other PostretirementBenefits  2014 2013 2014 2013 2014 2013Discount rate3.8% 4.5% 3.5% 4.4% 3.4% 4.0%Rate of compensation increase5.8% 5.6% 4.1% 4.4% n/a n/aSocial security increase2.8% 2.8% 2.1% 2.4% n/a n/a                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Accumulated other comprehensive loss                                                         | The amount recorded before-tax in accumulated other comprehensive loss related to employee benefit plans consists of the following at December 31: U.S. Pension Benefits Non-U.S. Pension Benefits Other PostretirementBenefits  2014 2013 2014 2013 2014 2013Net actuarial loss$174 $156 $231 $209 $25 $27Net prior service cost (credit)1 1 — 3 (83) (87)Total$175 $157 $231 $212 $(58) $(60)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Net periodic cost                                                                            | The components of net periodic cost are as follows for the years ended December 31: U.S. Pension Benefits Non-U.S. Pension Benefits Other PostretirementBenefits  2014 2013 2012 2014 2013 2012 2014 2013 2012Service cost$70 $65 $63 $11 $12 $8 $6 $6 $13Interest cost28 21 21 34 31 32 5 5 7Expected return on plan assets(44) (39) (35) (41) (37) (36) — — —Amortization of prior service credit— — — — — — (11) (7) (2)Amortization of net actuarial loss8 13 15 5 8 6 1 2 1Other— — — — 2 4 (3) — —Net periodic cost$62 $60 $64 $9 $16 $14 $(2) $6 $19                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Weighted average assumptions used to determine net periodic cost                             | Weighted average assumptions used to determine net periodic cost for these plans are as follows for the years ended December 31: U.S. Pension Benefits Non-U.S. Pension Benefits Other Postretirement Benefits  2014 2013 2012 2014 2013 2012 2014 2013 2012Discount rate4.5% 3.6% 4.2% 4.4% 4.4% 5.0% 4.0% 3.2% 3.8%Expected long-term return on plan assets7.3% 7.4% 7.4% 6.1% 6.5% 6.7% n/a n/a n/aRate of compensation increase5.6% 5.6% 5.4% 4.4% 4.4% 4.4% n/a n/a n/aSocial security increase2.8% 2.8% 2.8% 2.4% 2.1% 2.1% n/a n/a n/a                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| Effect of one-percentage point change in assumed health care Cost trend rates                | A one percentage point change in assumed health care cost trend rates would have had the following effects on 2014: One PercentagePoint Increase One PercentagePoint DecreaseEffect on total of service and interest cost components$0.2 $(0.2)Effect on postretirement welfare benefit obligation$1.1 $(1.5)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Fair values of the assets in U.S. Plan                                                       | The fair value of the assets in our U.S. Pension Plan at December 31, 2014 and 2013, by asset category, are presented below and were determined based on valuation techniques categorized as follows:•Level One:  The use of quoted prices in active markets for identical financial instruments.•Level Two:  The use of quoted prices for similar instruments in active markets or quoted prices for identical or similar instruments in markets that are not active or other inputs that are observable in the market or can be corroborated by observable market data.•Level Three:  The use of significantly unobservable inputs that typically require the use of management's estimates of assumptions that market participants would use in pricing. 2014 2013Asset CategoryTotalAssetValue LevelOne LevelTwo LevelThree TotalAssetValue LevelOne LevelTwo LevelThreeCash and Cash Equivalents$3 $— $3 $— $5 $4 $1 $—Fixed Income (1)125 — 125 — 111 — 111 —Non-U.S. Equity (2)148 30 118 — 132 — 132 —U.S. Equity (3)169 — 169 — 148 — 148 —Hedge Funds (4)164 — — 164 190 — — 190Real Estate Funds (5)10 — — 10 9 — — 9Real Estate Investment Trust Equity8 — 8 — 6 — 6 —Private Equity Fund (6)21 — — 21 16 — — 16Total$648 $30 $423 $195 $617 $4 $398 $215(1) A multi-manager strategy investing in fixed income securities and funds.  The current allocation includes:  39% in unconstrained bond funds; 30% in government bonds; 11% in corporate bonds; 10% in government mortgage-backed securities; 6% in government agencies; 2% in asset-backed securities; and 2% in cash and other securities.(2) Multi-manager strategy investing in common stocks of non-U.S. listed companies using both value and growth approaches.(3) Multi-manager strategy investing in common stocks of U.S. listed companies using value and growth approaches.(4) Strategies taking long and short positions in equities, fixed income securities, currencies and derivative contracts.(5) Strategy investing in the global private real estate secondary market using a value-based investment approach.(6) Partnership making opportunistic investments on a global basis across asset classes, capital structures and geographies. |
| Fair values of the assets in our Non-U.S Plans by asset category and by levels of fair value | The table below presents the fair value of the assets in our Non-U.S. Plans by asset category and by valuation technique at December 31: 2014 2013Asset CategoryTotalAssetValue LevelOne LevelTwo LevelThree TotalAssetValue LevelOne LevelTwo LevelThreeCash and Cash Equivalents$10 $10 $— $— $1 $1 $— $—Asset Allocation (1)124 — 124 — 125 — 125 —Bonds - Canada - Government (2)25 — 25 — 32 32 — —Bonds - U.K. - Corporate (3)113 — 113 — 79 — 79 —Bonds - U.K. - Government (4)196 — 196 — 200 — 200 —Equities (5)133 — 133 — 169 — 169 —Real Estate Fund (6)22 — — 22 21 — — 21Pooled Swap Funds (7)127 — 127 — — — — —Insurance contracts17 — — 17 18 — — 18Total$767 $10 $718 $39 $645 $33 $573 $39(1) Invests in mixes of global common stocks and bonds to achieve broad diversification.(2) Invests in Canadian Dollar-denominated government issued bonds intended to match the duration of plan liabilities.(3) Invests passively in British Pound Sterling-denominated investment grade corporate bonds.(4) Invests passively in British Pound Sterling-denominated government issued bonds.(5) Invests in broad equity funds based on securities offered in various regions or countries.  Equity funds are allocated by region as follows:  70% Global; 10% U.K.; 6% Emerging Markets; 5% North America; 5% Asia Pacific; and 4% Europe.(6) Invests in a diversified range of property throughout the U.K., principally in the retail, office and industrial/warehouse sectors.(7) Invests in a range of pooled funds which include positions in swap contracts and U.K. sovereign bonds; pooled funds are categorized by maturities of underlying positions.  Pooled funds employ leverage in order to match the U.K. Plan's duration and inflation.                                                                                                                                                                                                                                                                                                                                                                                         |
| Changes in the fair value of assets                                                          | The following table presents the changes in the fair value of assets determined using level 3 unobservable inputs: U.S.Private EquityFund U.S.Real EstateFund U.S.HedgeFunds Non-U.S.Real EstateFund Non-U.S.InsuranceContracts TotalBalance at December 31, 2011$— $5 $110 $19 $15 $149Unrealized (losses) gains(2) — 10 1 4 13Sales— — — — (5) (5)Purchases18 2 52 — 2 74Balance at December 31, 201216 7 172 20 16 231Unrealized gains2 — 12 1 2 17Realized gains— — 7 — — 7Sales(10) — (84) — (2) (96)Purchases8 2 83 — 2 95Balance at December 31, 201316 9 190 21 18 254Unrealized gains (losses)— 1 6 1 (1) 7Realized gains1 — 7 — — 8Sales(4) — (85) — — (89)Purchases8 — 46 — — 54Balance at December 31, 2014$21 $10 $164 $22 $17 $234                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Expected future benefit payments                                                             | The following table presents the expected benefit payments over the next ten years.  The U.S. and non-U.S. pension benefit payments are made by the respective pension trust funds.YearU.S. PensionBenefitsNon-U.S. PensionBenefitsOther PostretirementBenefits2015 $39  $24  $13 2016 $43  $24  $13 2017 $46  $28  $12 2018 $49  $31  $12 2019 $52  $37  $11 2020-2024 $303  $207  $53                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |

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| - Definition
Fair values of the assets in our non-US Plans by asset category and by levels of fair value.
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No definition available.
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Schedule of weighted average assumptions used to determine net periodic cost for pensions and other retirement benefits [Table Text Block]
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No definition available.
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| - Definition
Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.
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| - Definition
Tabular disclosure of accumulated benefit obligations and fair values of plan assets of pension plans and/or other employee benefit plans where the accumulated benefit obligation exceeds the fair value of plan assets.
+ References
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| - Definition
Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans.  This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall.
+ References
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| - Definition
Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized.
+ References
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| - Definition
Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period.
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| - Definition
Tabular disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care benefits.
+ References
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| - Definition
Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.
+ References
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| - Definition
Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.
+ References
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| - Definition
Tabular disclosure of net funded status of pension plans and/or other employee benefit plans.
+ References
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