Consolidating Financial Information (Details 2) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Total Cash Flows from Operating Activities	$ (329)	$ (972)
Cash Flows from Investing Activities:
Capital expenditures	(788)	(806)
Asset dispositions	14	68
Government grants received	2	55
Capital contributions and loans	0	0
Capital redemptions and loans	0
Increase in restricted cash	(17)	(32)
Other transactions	(11)	0
Total Cash Flows from Investing Activities	(800)	(715)
Cash Flows from Financing Activities:
Short term debt and overdrafts incurred	74	190
Short term debt and overdrafts paid	(89)	(93)
Long term debt incurred	3,042	3,003
Long term debt paid	(2,322)	(1,674)
Proceeds from issuance of preferred stock	0	484
Preferred stock dividends paid	(22)	(7)
Common stock issued	1	7
Capital contributions and loans	0	0
Capital redemptions and loans	0
Intercompany dividends paid	0	0
Transactions with minority interests in subsidiaries	(23)	(15)
Debt related costs and other transactions	(63)	(20)
Total Cash Flows from Financing Activities	598	1,875
Effect of exchange rate changes on cash and cash equivalents	16	(67)
Net Change in Cash and Cash Equivalents	(515)	121
Cash and Cash Equivalents at Beginning of the Period	2,772	2,005
Cash and Cash Equivalents at End of the Period	2,257	2,126
Parent Company
Cash Flows from Operating Activities:
Total Cash Flows from Operating Activities	219	(455)
Cash Flows from Investing Activities:
Capital expenditures	(165)	(167)
Asset dispositions	5	61
Government grants received	0	0
Capital contributions and loans	(55)	0
Capital redemptions and loans	81
Increase in restricted cash	(1)	0
Other transactions	4
Total Cash Flows from Investing Activities	(131)	(106)
Cash Flows from Financing Activities:
Short term debt and overdrafts incurred	0	0
Short term debt and overdrafts paid	0	0
Long term debt incurred	800	212
Long term debt paid	(759)	(350)
Proceeds from issuance of preferred stock		484
Preferred stock dividends paid	(22)	(7)
Common stock issued	1	7
Capital contributions and loans	0	0
Capital redemptions and loans	0
Intercompany dividends paid	0	0
Transactions with minority interests in subsidiaries	(17)	0
Debt related costs and other transactions	(63)	(1)
Total Cash Flows from Financing Activities	(60)	345
Effect of exchange rate changes on cash and cash equivalents	0	0
Net Change in Cash and Cash Equivalents	28	(216)
Cash and Cash Equivalents at Beginning of the Period	916	792
Cash and Cash Equivalents at End of the Period	944	576
Guarantor Subsidiaries
Cash Flows from Operating Activities:
Total Cash Flows from Operating Activities	0	47
Cash Flows from Investing Activities:
Capital expenditures	(10)	(19)
Asset dispositions	0	0
Government grants received	0	0
Capital contributions and loans	0	0
Capital redemptions and loans	0
Increase in restricted cash	0	0
Other transactions	0
Total Cash Flows from Investing Activities	(10)	(19)
Cash Flows from Financing Activities:
Short term debt and overdrafts incurred	0	0
Short term debt and overdrafts paid	0	0
Long term debt incurred	0	0
Long term debt paid	0	0
Proceeds from issuance of preferred stock		0
Preferred stock dividends paid	0	0
Common stock issued	0	0
Capital contributions and loans	0	0
Capital redemptions and loans	0
Intercompany dividends paid	0	0
Transactions with minority interests in subsidiaries	0	0
Debt related costs and other transactions	0	0
Total Cash Flows from Financing Activities	0	0
Effect of exchange rate changes on cash and cash equivalents	3	(3)
Net Change in Cash and Cash Equivalents	(7)	25
Cash and Cash Equivalents at Beginning of the Period	112	38
Cash and Cash Equivalents at End of the Period	105	63
Non-Guarantor Subsidiaries
Cash Flows from Operating Activities:
Total Cash Flows from Operating Activities	(283)	(324)
Cash Flows from Investing Activities:
Capital expenditures	(618)	(620)
Asset dispositions	9	7
Government grants received	2	55
Capital contributions and loans	(48)	(11)
Capital redemptions and loans	0
Increase in restricted cash	(16)	(32)
Other transactions	(15)
Total Cash Flows from Investing Activities	(686)	(601)
Cash Flows from Financing Activities:
Short term debt and overdrafts incurred	74	190
Short term debt and overdrafts paid	(89)	(93)
Long term debt incurred	2,242	2,791
Long term debt paid	(1,563)	(1,324)
Proceeds from issuance of preferred stock		0
Preferred stock dividends paid	0	0
Common stock issued	0	0
Capital contributions and loans	103	11
Capital redemptions and loans	(81)
Intercompany dividends paid	(260)	(240)
Transactions with minority interests in subsidiaries	(6)	(15)
Debt related costs and other transactions	0	(19)
Total Cash Flows from Financing Activities	420	1,301
Effect of exchange rate changes on cash and cash equivalents	13	(64)
Net Change in Cash and Cash Equivalents	(536)	312
Cash and Cash Equivalents at Beginning of the Period	1,744	1,175
Cash and Cash Equivalents at End of the Period	1,208	1,487
Consolidating Entries and Eliminations
Cash Flows from Operating Activities:
Total Cash Flows from Operating Activities	(265)	(240)
Cash Flows from Investing Activities:
Capital expenditures	5	0
Asset dispositions	0	0
Government grants received	0	0
Capital contributions and loans	103	11
Capital redemptions and loans	(81)
Increase in restricted cash	0	0
Other transactions	0
Total Cash Flows from Investing Activities	27	11
Cash Flows from Financing Activities:
Short term debt and overdrafts incurred	0	0
Short term debt and overdrafts paid	0	0
Long term debt incurred	0	0
Long term debt paid	0	0
Proceeds from issuance of preferred stock		0
Preferred stock dividends paid	0	0
Common stock issued	0	0
Capital contributions and loans	(103)	(11)
Capital redemptions and loans	81
Intercompany dividends paid	260	240
Transactions with minority interests in subsidiaries	0	0
Debt related costs and other transactions	0	0
Total Cash Flows from Financing Activities	238	229
Effect of exchange rate changes on cash and cash equivalents	0	0
Net Change in Cash and Cash Equivalents	0	0
Cash and Cash Equivalents at Beginning of the Period	0	0
Cash and Cash Equivalents at End of the Period	$ 0	$ 0