Segment Information (Details 2)-K - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets
Total assets:	$ 9,421	$ 7,843	$ 8,393
Equity investments
Equity investments:	409	427	315
Equity earnings:
Equity earnings	60	64	67
Capital expenditures:
Capital expenditures:	402	369	361
Depreciation and amortization expense:
Depreciation and amortization expense:	409	418	397
Reportable Segment Totals
Assets
Total assets:	9,126	7,503	8,106
Equity investments
Equity investments:	245	258	264
Equity earnings:
Equity earnings	42	40	43
Capital expenditures:
Capital expenditures:	400	366	346
Depreciation and amortization expense:
Depreciation and amortization expense:	395	403	383
Europe
Assets
Total assets:	2,902	3,214	3,494
Equity investments
Equity investments:	78	81	84
Equity earnings:
Equity earnings	16	19	17
Capital expenditures:
Capital expenditures:	164	188	130
Depreciation and amortization expense:
Depreciation and amortization expense:	120	140	139
North America
Assets
Total assets:	2,500	1,971	1,995
Equity investments
Equity investments:	22	24	25
Equity earnings:
Equity earnings	19	17	16
Capital expenditures:
Capital expenditures:	97	89	100
Depreciation and amortization expense:
Depreciation and amortization expense:	128	131	110
South America
Assets
Total assets:	2,807	1,300	1,467
Capital expenditures:
Capital expenditures:	89	55	80
Depreciation and amortization expense:
Depreciation and amortization expense:	107	79	72
Asia Pacific
Assets
Total assets:	917	1,018	1,150
Equity investments
Equity investments:	145	153	155
Equity earnings:
Equity earnings	7	4	10
Capital expenditures:
Capital expenditures:	50	34	36
Depreciation and amortization expense:
Depreciation and amortization expense:	40	53	62
Other.
Assets
Total assets:	295	340	287
Equity investments
Equity investments:	164	169	51
Equity earnings:
Equity earnings	18	24	24
Capital expenditures:
Capital expenditures:	2	3	15
Depreciation and amortization expense:
Depreciation and amortization expense:	14	15	$ 14
Parent
Assets
Total assets:	$ 1,240	$ 1,863