| **CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions**                                                                      | 6 Months Ended |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Operating Activities**                                                                                                                                     |                |   |  |   |
| Net income before allocation to noncontrolling interests                                                                                                     | [1],[2],[3]    | $ 5,061 |  | $ 5,017 |
| **Adjustments to reconcile net income before allocation to noncontrolling interests to net cash provided by operating activities:**                          |                |   |  |   |
| Depreciation and amortization                                                                                                                                | [2]            | 2,812 |  | 2,461 |
| Asset write-offs and impairments                                                                                                                             | [2]            | 983 |  | 42 |
| Deferred taxes from continuing operations                                                                                                                    | [2]            | (10) |  | (183) |
| Share-based compensation expense                                                                                                                             | [2]            | 387 |  | 347 |
| Benefit plan contributions in excess of expense                                                                                                              | [2]            | (857) |  | (842) |
| Other adjustments, net                                                                                                                                       | [2]            | 170 |  | (194) |
| Other changes in assets and liabilities, net of acquisitions and divestitures                                                                                | [2]            | (3,316) |  | (1,879) |
| Net cash provided by operating activities                                                                                                                    | [2]            | 5,230 |  | 4,770 |
| **Investing Activities**                                                                                                                                     |                |   |  |   |
| Purchases of property, plant and equipment                                                                                                                   | [2]            | (702) |  | (497) |
| Purchases of short-term investments                                                                                                                          | [2]            | (8,744) |  | (16,029) |
| Proceeds from redemptions/sales of short-term investments                                                                                                    | [2]            | 14,757 |  | 20,483 |
| Net (purchases of)/proceeds from redemptions/sales of short-term investments with original maturities of three months or less                                | [2]            | (249) |  | 3,020 |
| Purchases of long-term investments                                                                                                                           | [2]            | (3,126) |  | (5,422) |
| Proceeds from redemptions/sales of long-term investments                                                                                                     | [2]            | 2,427 |  | 3,291 |
| Acquisitions of businesses, net of cash acquired                                                                                                             | [2]            | (4,616) |  | (679) |
| Acquisitions of intangible assets                                                                                                                            | [2]            | (96) |  | (12) |
| Other investing activities, net                                                                                                                              | [2]            | 26 |  | 333 |
| Net cash (used in)/provided by investing activities                                                                                                          | [2]            | (323) |  | 4,487 |
| **Financing Activities**                                                                                                                                     |                |   |  |   |
| Proceeds from short-term borrowings                                                                                                                          | [2]            | 2,307 |  | 2,022 |
| Principal payments on short-term borrowings                                                                                                                  | [2]            | (2,291) |  | (11) |
| Net proceeds from short-term borrowings with original maturities of three months or less                                                                     | [2]            | 2,182 |  | 481 |
| Proceeds from issuance of long-term debt                                                                                                                     | [2]            | 5,031 |  | 0 |
| Principal payments on long-term debt                                                                                                                         | [2]            | (4,317) |  | (2,995) |
| Purchases of common stock                                                                                                                                    | [2]            | (5,000) |  | (6,000) |
| Cash dividends paid                                                                                                                                          | [2]            | (3,675) |  | (3,483) |
| Proceeds from exercise of stock options                                                                                                                      | [2]            | 696 |  | 981 |
| Other financing activities, net                                                                                                                              | [2]            | (2) |  | 154 |
| Net cash used in financing activities                                                                                                                        | [2]            | (5,069) |  | (8,852) |
| Effect of exchange-rate changes on cash and cash equivalents                                                                                                 | [2]            | (68) |  | (78) |
| Net increase/(decrease) in cash and cash equivalents                                                                                                         | [2]            | (230) |  | 327 |
| Cash and cash equivalents, beginning                                                                                                                         | [2]            | 3,641 | [4] | 3,343 |
| Cash and cash equivalents, end                                                                                                                               | [2]            | 3,411 | [4] | 3,670 |
| **Cash paid during the period for:**                                                                                                                         |                |   |  |   |
| Income taxes                                                                                                                                                 | [2]            | 1,111 |  | 1,124 |
| Interest                                                                                                                                                     | [2]            | $ 903 |  | $ 914 |
|                                                                                                                                                              |
| [1]Amounts may not add due to rounding.[2]Amounts may not add due to rounding.[3]Amounts may not add due to rounding.[4]Amounts may not add due to rounding. |

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Asset Write-Offs And Asset Impairment Charges
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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Includes the amount of expense from discontinued operations, that reflects the allocation of the cost of tangible and intangible assets over the assets' useful lives.
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| - Definition
The amount of cash or cash equivalents contributed during the reporting period by the entity to fund its pension plans and its non-pension postretirement benefit plans less the amount of pension and other postretirement benefit costs recognized during the period for defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss on assets, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments).
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| - Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
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| - Definition
Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.
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| - Definition
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
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Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.
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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.
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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.
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The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.
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| - Definition
Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
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Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.
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Amount of cash (inflow) outflow from investing activities classified as other.
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| - Definition
The net amount paid (received) by the reporting entity through acquisition or sale and maturities of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.
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| - Definition
The cash outflow to reacquire common stock during the period.
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| - Definition
Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings.
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| - Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
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| - Definition
The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.
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| - Definition
Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash inflow (outflow) from financing activities classified as other.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle.
+ References
No definition available.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - References
No definition available.
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