v2.4.0.6

Supplemental Information To Statements Of Cash Flows (Schedule Of Supplemental To Cash Flow Information) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net (increase) decrease in working capital:
(Increase) decrease in accounts receivable	$ (185)	$ 23	$ 142
Decrease in other current assets	125	21	212
Increase (decrease) in accounts payable	64	37	(91)
Increase in revenues and royalties payable	144	48
Increase (decrease) in income taxes payable	78	(203)	(48)
Decrease in other current liabilities	(41)	(199)	(66)
Net (increase) decrease in working capital	185	(273)	149
Supplementary cash flow data - total operations:
Interest paid (net of capitalized interest)	325	359	314
Income taxes (received) paid	$ (383)	$ 955	$ 68

X

- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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