Supplemental Cash Flow Information

3 Months Ended

Mar. 31, 2012

Supplemental Cash Flow Information [Abstract]

A detailed analysis of the changes in assets and liabilities that are reported in the Consolidated Statements of Cash Flows follows:



	Three Months Ended
	March 31
	2012			2011
	(In millions)
Changes in Assets and Liabilities, Exclusive of Changes Shown Separately
Accounts receivable, net	$	81		$	(10	)
Inventories	125			125
Accrued pensions	1			(194		)
Accounts payable	(53		)	(61		)
Income taxes payable/receivable	(23		)	245
Derivative assets and liabilities	30			(9		)
Gas inventory equalization	114			204
Postretirement obligation	(142		)	(52		)
Other assets	159			93
Other liabilities	(101		)	(101		)
	$	191		$	240



Noncash financing activities:
Common stock issued for employee benefit plans	$	7	$	1

- 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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