Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Restructuring and Impairment (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment, net	$ (1)	$ 25	$ 7	$ 6	$ 29	$ 19	$ 18	$ 9	$ 37	$ 75	$ 47
Impairment charges									7us-gaap_AssetImpairmentCharges	24us-gaap_AssetImpairmentCharges	4us-gaap_AssetImpairmentCharges
Payments for outstanding lease termination costs									32us-gaap_PaymentsForRestructuring	34us-gaap_PaymentsForRestructuring	34us-gaap_PaymentsForRestructuring
Restructuring liability	32us-gaap_RestructuringReserve				47us-gaap_RestructuringReserve				32us-gaap_RestructuringReserve	47us-gaap_RestructuringReserve	33us-gaap_RestructuringReserve	28us-gaap_RestructuringReserve
Accrued Expenses and Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities, short-term	16								16
Other Long-term Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities, long-term	16								16
Corporate [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									(1)
North America [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									3	6	13
Restructuring liability	1								1
North America [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									1	2	3
North America [Member] \| Severance [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									2	4	10
Europe [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									12	19	19
Restructuring liability	6								6
Europe [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									0	1	2
Europe [Member] \| Severance [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									12	18	17
South America [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									16	8	2
South America [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									4	4	1
South America [Member] \| Environmental, Contract Termination and Other Exit Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liability	25								25
South America [Member] \| Severance [Member]
Restructuring Cost and Reserve [Line Items]
Payments for outstanding lease termination costs									12	4	1
Capitalized Software Assets [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges									2	5
Non-core Assets [Member] \| South America [Member] \| Environmental Remediation Site [Domain]
Restructuring Cost and Reserve [Line Items]
Restructuring liability	18								18
Non-core Assets [Member] \| South America [Member] \| Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liability	5								5
Non-core Assets [Member] \| South America [Member] \| Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liability	1								1
Non-core Assets [Member] \| South America [Member] \| Other Exit Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liability	1								1
Non-core Assets [Member] \| Brazil [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges										17
Long-lived Assets [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges										$ 2	$ 2