| **Commitments And Contingencies (Tables)**              | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
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| **Commitments and Contingencies Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| Minimum Contractual Obligations                         | The following table summarizes our minimum contractual obligations as of March 31, 2014 (in millions):    Fiscal Year Ending March 31, Total 2015 2016 2017 2018 2019 ThereafterUnrecognized commitments             Developer/licensor commitments$1,301 $132 $288 $212 $129 $98 $442Marketing commitments254 48 41 62 24 24 55Operating leases148 46 39 23 17 13 100.75% Convertible Senior Notes due 2016 interest (a)12 5 5 2 — — —Other purchase obligations19 17 2 — — — —Total unrecognized commitments1,734 248 375 299 170 135 507              Recognized commitments             0.75% Convertible Senior Notes due 2016 principal (a)633 — — 633 — — —Licensing and lease obligations (b)59 12 11 34 1 1 —Total recognized commitments692 12 11 667 1 1 —              Total Commitments$2,426 $260 $386 $966 $171 $136 $507 (a)Included in the $12 million coupon interest on the 0.75% Convertible Senior Notes due 2016 is $1 million of accrued interest recognized as of March 31, 2014. We will be obligated to pay the $632.5 million principal amount of the 0.75% Convertible Senior Notes due 2016 in cash and any excess conversion value in shares of our common stock upon redemption of the Notes at maturity on July 15, 2016 or upon earlier redemption. The $632.5 million principal amount excludes $53 million of unamortized discount of the liability component. See Note 12 for additional information regarding our 0.75% Convertible Senior Notes due 2016. (b)See Note 8 for additional information regarding recognized commitments resulting from our restructuring plans. Lease commitments have not been reduced for approximately $6 million due in the future from third parties under non-cancelable sub-leases. |

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| - Definition
Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value.
+ References
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