Postretirement Benefit Plans (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended	5 Months Ended	12 Months Ended			1 Months Ended
	Jun. 30, 2012	Aug. 31, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Oct. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Percentage of foreign benefit obligation to total benefit obligation			94.00%
Defined benefit plan, plan amendments		$ 97	$ 11
Credit balance in AOCI resulting from negative plan amendment		70
Settlements, benefit obligation	14
Maximum amortization period of unfunded actuarial liability			15 years 0 months
Expected additional contribution to funded pension plan			30
Expected additional contribution to unfunded pension plan			12
Expected additional contribution to savings and defined contribution plans			19
Expected long-term rate of return on plan assets			5.60%
Health care cost trend rate assumed for fiscal 2015			7.10%
Ultimate health care cost trend rate in 2019			5.00%
Long-term Growth Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation			50.00%
Near-term Benefit Payments [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation			50.00%
Other Long-term Liabilities [Member]
Defined Benefit Plan Disclosure [Line Items]
Postemployment benefits liability, noncurrent			10	12
Accrued Expenses and Other Current Liabilities [Member]
Defined Benefit Plan Disclosure [Line Items]
Postemployment benefits lability, current			4	5
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefits that were transferred out			11
Settlements resulting from restructuring initiatives and other factors			14	4
Defined benefit plan, plan amendments			(3)	(5)
Amounts that will be amortized from accumulated other comprehensive income (loss) in next fiscal year			35
Future amortization of net actuarial losses			37
Future amortization of prior service costs (credits)			2
Expected long-term rate of return on plan assets			6.10%	6.30%	6.40%
Benefits paid			56	51
Other Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlements resulting from restructuring initiatives and other factors			3
U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Increase in benefit obligation and net actuarial loss						33
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan amendments			11	(89)
Amounts that will be amortized from accumulated other comprehensive income (loss) in next fiscal year			23
Future amortization of net actuarial losses			4
Future amortization of prior service costs (credits)			27
Expected long-term rate of return on plan assets			0.00%	0.00%	0.00%
Benefits paid			$ 10	$ 9	8