Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2011

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	2011			2010			2009
	(In millions)
Changes in Assets and Liabilities, Exclusive of Changes Shown Separately
Accounts receivable, net	$	71		$	79		$	167
Inventories	(129		)	(133		)	28
Recoverable pension and postretirement costs	(620		)	(32		)	(19		)
Accrued/prepaid pensions	432			67			11
Accounts payable	(23		)	12			(162		)
Income taxes payable/receivable	249			(245		)	43
Derivative assets and liabilities	(94		)	(48		)	(81		)
Postretirement obligation	209			(24		)	(147		)
Other assets	9			(52		)	58
Other liabilities	(10		)	83			171
	$	94		$	(293	)	$	69

Schedule of Other Significant Noncash Transactions [Table Text Block]

	2011			2010		2009
	(In millions)
Cash paid (received) for:
Interest (net of interest capitalized)	$	485		$	551	$	550
Income taxes	$	(205	)	$	93	$	18
Noncash financing activities: Common stock issued for employee benefit plans	$	1		$	156	$	47