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Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2011

Supplemental Cash Flow Information [Abstract]

21. Supplemental Cash Flow Information


	Year Ended December 31,
	2011		2010		2009
	(in millions)
Interest paid on outstanding debt	$	238	$	233	$	237
Income tax payments		273		341		387
Income tax refunds		18		12		13

- Definition

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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