Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2011

Benefit Plans (Tables) [Abstract]

Components of Net Periodic Benefit Cost

					Other Postretirement
	Pension Plans				Benefit Plans
	Three Months Ended June 30,				Three Months Ended June 30,
	2011		2010		2011		2010
	(in millions)
Service Cost	$	18	$	27	$	10	$	11
Interest Cost		60		64		27		28
Expected Return on Plan Assets		(78)		(78)		(27)		(26)
Amortization of Transition Obligation		-		-		-		7
Amortization of Net Actuarial Loss		31		23		8		7
Net Periodic Benefit Cost	$	31	$	36	$	18	$	27

					Other Postretirement
	Pension Plans				Benefit Plans
	Six Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(in millions)
Service Cost	$	36	$	55	$	21	$	23
Interest Cost		119		127		54		56
Expected Return on Plan Assets		(157)		(156)		(54)		(52)
Amortization of Transition Obligation		-		-		-		14
Amortization of Net Actuarial Loss		61		45		15		14
Net Periodic Benefit Cost	$	59	$	71	$	36	$	55