Income Taxes (Tables)

3 Months Ended

Mar. 31, 2012

Income Taxes

Schedule of items that increased (decreased) the effective tax rate significantly impacting the income tax expense

	Three Months Ended
	March 31,
	2012			2011
	(In millions)
State and local income taxes, net of federal tax benefits	$	5		$	5
Liabilities for income tax contingencies	—			(8		)
Changes in rate and apportionment factors	(6		)	1
Changes in valuation allowance	—			4
Noncontrolling interest	(4		)	(1		)