Goodwill, Capitalized Software and Other Intangible Assets 1 (Details) - USD ($)
$ in Millions |
Dec. 31, 2015 |
Mar. 31, 2015 |
| Capitalized software and other intangible assets |
|
|
| Gross amortizable assets |
$ 8,398
|
$ 8,039
|
| Less: Fully amortized assets |
6,465
|
6,250
|
| Remaining amortizable assets |
1,933
|
1,789
|
| Accumulated amortization on remaining amortizable assets |
1,067
|
1,058
|
| Net assets |
866
|
731
|
| Purchased Software Products |
|
|
| Capitalized software and other intangible assets |
|
|
| Gross amortizable assets |
5,987
|
5,717
|
| Less: Fully amortized assets |
4,863
|
4,859
|
| Remaining amortizable assets |
1,124
|
858
|
| Accumulated amortization on remaining amortizable assets |
513
|
413
|
| Net assets |
611
|
445
|
| Internally Developed Software Products |
|
|
| Capitalized software and other intangible assets |
|
|
| Gross amortizable assets |
1,485
|
1,486
|
| Less: Fully amortized assets |
994
|
835
|
| Remaining amortizable assets |
491
|
651
|
| Accumulated amortization on remaining amortizable assets |
341
|
414
|
| Net assets |
150
|
237
|
| Other Intangible Assets |
|
|
| Capitalized software and other intangible assets |
|
|
| Gross amortizable assets |
926
|
836
|
| Less: Fully amortized assets |
608
|
556
|
| Remaining amortizable assets |
318
|
280
|
| Accumulated amortization on remaining amortizable assets |
213
|
231
|
| Net assets |
$ 105
|
$ 49
|