Consolidating Financial Information (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash Flows from Operating Activities:
TOTAL CASH FLOWS FROM OPERATING ACTIVITIES	$ 938	$ 1,038	$ 773
Cash Flows from Investing Activities:
Capital Expenditures	(1,168)	(1,127)	(1,043)
Asset Dispositions	25	16	76
Government Grants Received	9	2	95
Decrease in Restricted Cash	14	11	(25)
Short Term Securities Acquired	(105)	(57)	(4)
Short Term Securities Redeemed	89	28	0
Capital Contributions Received and Loans Incurred	0	0	0
Capital Redemptions and Loans Paid	0	0	0
Other Transactions	0	4	(1)
TOTAL CASH FLOWS FROM INVESTING ACTIVITIES	(1,136)	(1,123)	(902)
Cash Flows from Financing Activities:
Short Term Debt and Overdrafts Incurred	31	77	179
Short Term Debt and Overdrafts Paid	(120)	(156)	(138)
Long Term Debt Incurred	1,913	3,531	3,171
Long Term Debt Paid	(681)	(3,717)	(2,650)
Proceeds from Issuance of Preferred Stock			484
Preferred Stock Dividends Paid	(29)	(29)	(15)
Common Stock Issued	22	3	8
Common Stock Dividends Paid	(12)	0	0
Capital Contributions Received and Loans Incurred	0	0	0
Capital Redemptions and Loans Paid	0	0	0
Intercompany Dividends Paid	0	0	0
Transactions with Minority Interests in Subsidiaries	(26)	(71)	(24)
Debt Related Costs and Other Transactions	(16)	(64)	(21)
TOTAL CASH FLOWS FROM FINANCING ACTIVITIES	1,082	(426)	994
Effect of exchange rate changes on cash and cash equivalents	(169)	20	(98)
Net Change in Cash and Cash Equivalents	715	(491)	767
Cash and Cash Equivalents at Beginning of the Year	2,281	2,772	2,005
Cash and Cash Equivalents at End of the Year	2,996	2,281	2,772
Parent Company
Cash Flows from Operating Activities:
TOTAL CASH FLOWS FROM OPERATING ACTIVITIES	17	335	260
Cash Flows from Investing Activities:
Capital Expenditures	(220)	(231)	(210)
Asset Dispositions	2	5	69
Government Grants Received	0	0	0
Decrease in Restricted Cash	0	1	(1)
Short Term Securities Acquired	0	0	0
Short Term Securities Redeemed	0	0
Capital Contributions Received and Loans Incurred	(91)	(191)	(14)
Capital Redemptions and Loans Paid	214	81	0
Other Transactions	0	4	(1)
TOTAL CASH FLOWS FROM INVESTING ACTIVITIES	(95)	(331)	(157)
Cash Flows from Financing Activities:
Short Term Debt and Overdrafts Incurred	14	0	0
Short Term Debt and Overdrafts Paid	(90)	0	0
Long Term Debt Incurred	900	800	400
Long Term Debt Paid	(11)	(762)	(750)
Proceeds from Issuance of Preferred Stock			484
Preferred Stock Dividends Paid	(29)	(29)	(15)
Common Stock Issued	22	3	8
Common Stock Dividends Paid	(12)	0	0
Capital Contributions Received and Loans Incurred	170	150	(101)
Capital Redemptions and Loans Paid	(403)	(200)	0
Intercompany Dividends Paid	0	0	0
Transactions with Minority Interests in Subsidiaries	0	(17)	(3)
Debt Related Costs and Other Transactions	(16)	(63)	(2)
TOTAL CASH FLOWS FROM FINANCING ACTIVITIES	545	(118)	21
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Net Change in Cash and Cash Equivalents	467	(114)	124
Cash and Cash Equivalents at Beginning of the Year	802	916	792
Cash and Cash Equivalents at End of the Year	1,269	802	916
Guarantor Subsidiaries [Member]
Cash Flows from Operating Activities:
TOTAL CASH FLOWS FROM OPERATING ACTIVITIES	16	(3)	104
Cash Flows from Investing Activities:
Capital Expenditures	(19)	(10)	(21)
Asset Dispositions	0	0	0
Government Grants Received	0	0	0
Decrease in Restricted Cash	0	0	0
Short Term Securities Acquired	0	0	0
Short Term Securities Redeemed	0	0
Capital Contributions Received and Loans Incurred	(11)	(27)	0
Capital Redemptions and Loans Paid	0	0	0
Other Transactions		0	0
TOTAL CASH FLOWS FROM INVESTING ACTIVITIES	(30)	(37)	(21)
Cash Flows from Financing Activities:
Short Term Debt and Overdrafts Incurred	0	0	0
Short Term Debt and Overdrafts Paid	(14)	0	0
Long Term Debt Incurred	0	0	0
Long Term Debt Paid	0	0	0
Proceeds from Issuance of Preferred Stock			0
Preferred Stock Dividends Paid	0	0	0
Common Stock Issued	0	0	0
Common Stock Dividends Paid	0
Capital Contributions Received and Loans Incurred	58	0	0
Capital Redemptions and Loans Paid	0	0	0
Intercompany Dividends Paid	0	(6)	(7)
Transactions with Minority Interests in Subsidiaries	0	0	0
Debt Related Costs and Other Transactions	0	0	0
TOTAL CASH FLOWS FROM FINANCING ACTIVITIES	44	(6)	(7)
Effect of exchange rate changes on cash and cash equivalents	(4)	2	(2)
Net Change in Cash and Cash Equivalents	26	(44)	74
Cash and Cash Equivalents at Beginning of the Year	68	112	38
Cash and Cash Equivalents at End of the Year	94	68	112
Non-Guarantor Subsidiaries
Cash Flows from Operating Activities:
TOTAL CASH FLOWS FROM OPERATING ACTIVITIES	1,009	841	581
Cash Flows from Investing Activities:
Capital Expenditures	(940)	(892)	(815)
Asset Dispositions	23	11	7
Government Grants Received	9	2	95
Decrease in Restricted Cash	14	10	(24)
Short Term Securities Acquired	(105)	(57)	(4)
Short Term Securities Redeemed	89	28
Capital Contributions Received and Loans Incurred	(170)	(150)	(17)
Capital Redemptions and Loans Paid	403	200	38
Other Transactions		0	0
TOTAL CASH FLOWS FROM INVESTING ACTIVITIES	(677)	(848)	(720)
Cash Flows from Financing Activities:
Short Term Debt and Overdrafts Incurred	121	77	179
Short Term Debt and Overdrafts Paid	(120)	(156)	(138)
Long Term Debt Incurred	1,013	2,731	2,771
Long Term Debt Paid	(670)	(2,955)	(1,900)
Proceeds from Issuance of Preferred Stock			0
Preferred Stock Dividends Paid	0	0	0
Common Stock Issued	0	0	0
Common Stock Dividends Paid	0
Capital Contributions Received and Loans Incurred	44	218	132
Capital Redemptions and Loans Paid	(214)	(81)	(38)
Intercompany Dividends Paid	(93)	(123)	(162)
Transactions with Minority Interests in Subsidiaries	(26)	(54)	(21)
Debt Related Costs and Other Transactions	0	(1)	(19)
TOTAL CASH FLOWS FROM FINANCING ACTIVITIES	55	(344)	804
Effect of exchange rate changes on cash and cash equivalents	(165)	18	(96)
Net Change in Cash and Cash Equivalents	222	(333)	569
Cash and Cash Equivalents at Beginning of the Year	1,411	1,744	1,175
Cash and Cash Equivalents at End of the Year	1,633	1,411	1,744
Consolidating Entries and Eliminations [Member]
Cash Flows from Operating Activities:
TOTAL CASH FLOWS FROM OPERATING ACTIVITIES	(104)	(135)	(172)
Cash Flows from Investing Activities:
Capital Expenditures	11	6	3
Asset Dispositions	0	0	0
Government Grants Received	0	0	0
Decrease in Restricted Cash	0	0	0
Short Term Securities Acquired	0	0	0
Short Term Securities Redeemed	0	0
Capital Contributions Received and Loans Incurred	272	368	31
Capital Redemptions and Loans Paid	(617)	(281)	(38)
Other Transactions		0	0
TOTAL CASH FLOWS FROM INVESTING ACTIVITIES	(334)	93	(4)
Cash Flows from Financing Activities:
Short Term Debt and Overdrafts Incurred	(104)	0	0
Short Term Debt and Overdrafts Paid	104	0	0
Long Term Debt Incurred	0	0	0
Long Term Debt Paid	0	0	0
Proceeds from Issuance of Preferred Stock			0
Preferred Stock Dividends Paid	0	0	0
Common Stock Issued	0	0	0
Common Stock Dividends Paid	0
Capital Contributions Received and Loans Incurred	(272)	(368)	(31)
Capital Redemptions and Loans Paid	617	281	38
Intercompany Dividends Paid	93	129	169
Transactions with Minority Interests in Subsidiaries	0	0	0
Debt Related Costs and Other Transactions	0	0	0
TOTAL CASH FLOWS FROM FINANCING ACTIVITIES	438	42	176
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Net Change in Cash and Cash Equivalents	0	0	0
Cash and Cash Equivalents at Beginning of the Year	0	0	0
Cash and Cash Equivalents at End of the Year	$ 0	$ 0	$ 0