Segment, Geographical Area, Major Customer and Major Supplier Information (Selected Operating Results) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Net sales - third party									$ 9,591	$ 9,872	$ 11,147
Net sales - intersegment									0	0	0
Net sales	$ 2,621	$ 2,313	$ 2,361	$ 2,296	$ 2,402	$ 2,354	$ 2,482	$ 2,634	9,591	9,872	11,147
Depreciation and amortization	93	88	90	89	89	88	89	87	360	353	352
Income tax provision (benefit)	41	$ 47	$ 27	$ 36	18	$ 16	$ (3)	$ 15	151	46	14
Capital expenditures									224	370	518
Investment in and advances to non–consolidated affiliate	451				488				451	488
Total assets	8,344				8,280				8,344	8,280
Operating Segments [Member] | North America [Member]
Segment Reporting Information [Line Items]
Net sales - third party									3,226	3,262	3,465
Net sales - intersegment									2	4	18
Net sales									3,228	3,266	3,483
Depreciation and amortization									149	143	137
Income tax provision (benefit)									18	(53)	(27)
Capital expenditures									80	143	122
Investment in and advances to non–consolidated affiliate	0				0				0	0
Total assets	2,359				2,370				2,359	2,370
Operating Segments [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Net sales - third party									2,930	3,055	3,609
Net sales - intersegment									38	168	174
Net sales									2,968	3,223	3,783
Depreciation and amortization									106	106	103
Income tax provision (benefit)									12	(11)	12
Capital expenditures									65	146	257
Investment in and advances to non–consolidated affiliate	451				488				451	488
Total assets	2,679				2,687				2,679	2,687
Operating Segments [Member] | Asia [Member]
Segment Reporting Information [Line Items]
Net sales - third party									1,771	1,879	2,139
Net sales - intersegment									20	113	201
Net sales									1,791	1,992	2,340
Depreciation and amortization									59	61	71
Income tax provision (benefit)									20	12	16
Capital expenditures									38	35	85
Investment in and advances to non–consolidated affiliate	0				0				0	0
Total assets	1,576				1,516				1,576	1,516
Operating Segments [Member] | South America [Member]
Segment Reporting Information [Line Items]
Net sales - third party									1,448	1,482	1,749
Net sales - intersegment									62	93	101
Net sales									1,510	1,575	1,850
Depreciation and amortization									63	61	63
Income tax provision (benefit)									88	81	(1)
Capital expenditures									39	39	53
Investment in and advances to non–consolidated affiliate	0				0				0	0
Total assets	1,637				1,584				1,637	1,584
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales - third party									216	194	185
Net sales - intersegment									(122)	(378)	(494)
Net sales									94	(184)	(309)
Depreciation and amortization									(17)	(18)	(22)
Income tax provision (benefit)									13	17	14
Capital expenditures									2	7	$ 1
Investment in and advances to non–consolidated affiliate	0				0				0	0
Total assets	$ 93				$ 123				$ 93	$ 123