|
Derivative Financial Instruments Gross Notional Amounts and Fair Values for Currency Derivatives (Details) (USD $)
In Millions, unless otherwise specified
|
Mar. 31, 2015
|
Mar. 31, 2014
|
| Foreign currency contracts to purchase [Member] | Foreign exchange forward contracts |
|
|
| Derivative [Line Items] |
|
|
| Fair value of foreign currency contracts outstanding, Assets |
$ 0 |
$ 0 |
| Fair value of foreign currency contracts outstanding, Liabilities |
8 |
3 |
| Foreign currency contracts to purchase [Member] | Designated as Hedging Instrument [Member] | Foreign exchange forward contracts |
|
|
| Derivative [Line Items] |
|
|
| Derivative, Notional amount |
108 |
179 |
| Foreign currency contracts to sell [Member] | Foreign exchange forward contracts |
|
|
| Derivative [Line Items] |
|
|
| Fair value of foreign currency contracts outstanding, Assets |
18 |
0 |
| Fair value of foreign currency contracts outstanding, Liabilities |
1 |
2 |
| Foreign currency contracts to sell [Member] | Designated as Hedging Instrument [Member] | Foreign exchange forward contracts |
|
|
| Derivative [Line Items] |
|
|
| Derivative, Notional amount |
508 |
363 |
| Foreign currency contracts to purchase [Member] | United States Dollar [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Derivative [Line Items] |
|
|
| Derivative, Notional amount |
99 |
140 |
| Foreign currency contracts to purchase [Member] | Balance Sheet Hedging [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Derivative [Line Items] |
|
|
| Derivative Asset, Current |
0 |
0 |
| Derivative Liability, Current |
0 |
1 |
| Foreign currency contracts to sell [Member] | United States Dollar [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Derivative [Line Items] |
|
|
| Derivative, Notional amount |
173 |
232 |
| Foreign currency contracts to sell [Member] | Balance Sheet Hedging [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Derivative [Line Items] |
|
|
| Derivative Asset, Current |
0 |
0 |
| Derivative Liability, Current |
$ 0 |
$ 0 |