Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
OPERATING ACTIVITIES:
Net income	$ 722	$ 910
Adjustments to net income:
Depreciation and amortization	706	622
(Gain) loss from sale of investments and impairment expense	(71)	37
(Gain) loss on disposal and impairment write-down - discontinued operations	(131)	0
Provision for deferred taxes	72	28
Contingencies	35	46
(Gain) loss on the extinguishment of debt	0	15
Other	50	(89)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	(175)	(182)
(Increase) decrease in inventory	(43)	(88)
(Increase) decrease in prepaid expenses and other current assets	18	149
(Increase) decrease in other assets	(293)	(43)
Increase (decrease) in accounts payable and other current liabilities	228	(254)
Increase (decrease) in income taxes and other income tax payables, net	(249)	(152)
Increase (decrease) in other liabilities	245	178
Net cash provided by operating activities	1,114	1,177
INVESTING ACTIVITIES:
Capital expenditures	(1,071)	(1,019)
Acquisitions - net of cash acquired	(13)	(157)
Proceeds from the sale of businesses, net of cash sold	332	8
Proceeds from the sale of assets	2	22
Sale of short-term investments	3,605	3,065
Purchase of short-term investments	(3,261)	(2,493)
Increase in restricted cash	(73)	(16)
(Increase) decrease in debt service reserves and other assets	26	(92)
Affiliate advances and equity investments	1	(60)
Proceeds from government grants for asset construction	117	5
Other investing	(17)	(20)
Net cash used in investing activities	(352)	(757)
FINANCING ACTIVITIES:
(Repayments) borrowings under the revolving credit facilities, net	(310)	125
Issuance of recourse debt	0	2,050
Issuance of non-recourse debt	579	574
Repayments of recourse debt	(5)	(471)
Repayments of non-recourse debt	(328)	(768)
Payments for financing fees	(17)	(74)
Distributions to noncontrolling interests	(578)	(714)
Contributions from noncontrolling interests	12	0
Financed capital expenditures	(12)	(6)
Purchase of treasury stock	(231)	(98)
Other financing	28	2
Net cash (used in) provided by financing activities	(862)	620
Effect of exchange rate changes on cash	3	29
Decrease in cash of discontinued and held for sale businesses	120	10
Total increase in cash and cash equivalents	23	1,079
Cash and cash equivalents, beginning	1,704	2,522
Cash and cash equivalents, ending	1,727	3,601
SUPPLEMENTAL DISCLOSURES:
Cash payments for interest, net of amounts capitalized	783	734
Cash payments for income taxes, net of refunds	$ 525	$ 506