Business, Developments, Risks And Uncertainties, Liquidity (Tables)

12 Months Ended

Dec. 31, 2011

Business, Developments, Risks And Uncertainties, Liquidity [Abstract]

Change In Credit Spreads Asset/Liability Products Operations

	Change in Credit Spreads (Asset/Liability Products Business)
In millions	200 Basis Point Decrease		50 Basis Point Decrease		50 Basis Point Increase			200 Basis Point Increase
Estimated change in fair value	$	266	$	75	$	(71	)	$	(265	)