Segments and Geographic Information Segment and Geographic Information (Assets, Depreciation and Amortization and Capital Expenditures ) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Total Assets	$ 40,411	$ 41,830	$ 45,346
Depreciation and amortization	1,294	1,394	1,262
Capital Expenditures	2,579	2,270	2,461
Interest income	275	348	398
Interest expense	1,482	1,544	1,530
Investments in and advances to affiliates	1,010	1,196	1,422
Net equity in earnings (losses) of affiliates	25	35	(2)
US
Segment Reporting Information [Line Items]
Total Assets	9,952	10,651	12,714
Depreciation and amortization	440	518	300
Capital Expenditures	426	405	406
Interest income	0	3	1
Interest expense	290	291	194
Investments in and advances to affiliates	1	0	0
Net equity in earnings (losses) of affiliates	0	0	0
Andes
Segment Reporting Information [Line Items]
Total Assets	7,356	6,619	6,482
Depreciation and amortization	186	174	151
Capital Expenditures	471	389	385
Interest income	37	20	20
Interest expense	135	128	126
Investments in and advances to affiliates	248	198	188
Net equity in earnings (losses) of affiliates	44	18	35
Brazil SBU
Segment Reporting Information [Line Items]
Total Assets	8,388	9,710	10,602
Depreciation and amortization	259	281	331
Capital Expenditures	588	718	738
Interest income	210	278	346
Interest expense	364	305	452
Investments in and advances to affiliates	0	0	0
Net equity in earnings (losses) of affiliates	0	0	0
MCAC
Segment Reporting Information [Line Items]
Total Assets	5,075	5,030	4,962
Depreciation and amortization	145	136	116
Capital Expenditures	111	192	220
Interest income	20	33	22
Interest expense	138	192	166
Investments in and advances to affiliates	0	24	19
Net equity in earnings (losses) of affiliates	4	5	(2)
EMEA
Segment Reporting Information [Line Items]
Total Assets	4,191	4,085	4,086
Depreciation and amortization	155	145	159
Capital Expenditures	341	162	196
Interest income	2	8	5
Interest expense	80	94	108
Investments in and advances to affiliates	286	454	512
Net equity in earnings (losses) of affiliates	(5)	8	10
Asia
Segment Reporting Information [Line Items]
Total Assets	2,810	2,587	1,800
Depreciation and amortization	33	30	32
Capital Expenditures	576	221	150
Interest income	6	5	2
Interest expense	30	43	46
Investments in and advances to affiliates	186	202	367
Net equity in earnings (losses) of affiliates	10	32	5
Discontinued Operations
Segment Reporting Information [Line Items]
Total Assets	1,718	1,960	3,445
Depreciation and amortization	55	85	148
Capital Expenditures	52	143	335
Corporate & Other
Segment Reporting Information [Line Items]
Total Assets	921	1,188	1,255
Depreciation and amortization	21	25	25
Capital Expenditures	14	40	31
Interest income	0	1	2
Interest expense	445	491	438
Investments in and advances to affiliates	289	318	336
Net equity in earnings (losses) of affiliates	$ (28)	$ (28)	$ (50)