Stockholders' Equity (Other Comprehensive Income (Loss), Net of Tax) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|||||||||
Stockholders' Equity Attributable to Parent [Abstract] | ||||||||||||
Foreign currency translation adjustments arising during period, net of income tax expense (benefit) of nil, ($4), nil and ($2) | $ (55) | $ (16) | $ (60) | $ 14 | ||||||||
Reclassified to income statement, net of income tax expense of nil, nil, $24 and nil (1) | 0 | [1] | 0 | [1] | 44 | [1] | 0 | [1] | ||||
Foreign currency translation adjustments, net of income tax expense (benefit) of nil, ($4), $24 and ($2) | (55) | (16) | (16) | 14 | ||||||||
Unrealized gains (losses) on cash flow hedges arising during period, net of income tax expense of nil, nil, nil and nil | (1) | 0 | (2) | 2 | ||||||||
Amortization of actuarial loss, prior service cost and transition obligation, net of income tax expense of $4, $3, $10 and $8 (2) | 3 | [2] | 5 | [2] | 16 | [2] | 14 | [2] | ||||
Foreign currency translation adjustments, net of income tax expense of nil, nil, nil and nil | 1 | 0 | (2) | 0 | ||||||||
Reclassified to income statement, net of income tax expense of nil, nil, $1 and nil | 0 | 0 | 1 | 0 | ||||||||
Retirement-related benefit plans, net of income tax expense of $4, $3, $11 and $8 | 4 | 5 | 15 | 14 | ||||||||
Other Comprehensive Income (Loss), net of tax | $ (52) | $ (11) | $ (3) | $ 30 | ||||||||
|