Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2012

Comprehensive Income (Tables) [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The components of accumulated other comprehensive income, net of tax, at the end of each period, as well as the activity, were as follows:

				Other
		Dec. 31,		Comprehensive		June 30,
(In Millions)		2011		Income		2012
Accumulated net unrealized holding gain (loss) on
	available-for-sale investments	$	231	$	57	$	288
Accumulated net deferred tax asset valuation allowance			104		—		104
Accumulated net unrealized holding gain (loss) on derivatives			8		(63)		(55)
Accumulated net prior service costs			(32)		2		(30)
Accumulated net actuarial losses			(950)		30		(920)
Accumulated net foreign currency translation adjustment			(142)		(102)		(244)
Total accumulated other comprehensive income (loss)		$	(781)	$	(76)	$	(857)