Contingencies and Commitments (Tables)

3 Months Ended

Jun. 30, 2012

Contingencies And Commitments Tables [Abstract]

Contingent Contractual Obligations

Contingent Contractual Obligations	Amount		Number of Agreements	Maximum Exposure Range for Each Agreement
	(in millions)			(in millions)
Guarantees	$	528	18	<$1 - $219
Letters of credit under the senior secured credit facility		5	9	<$1 - $2
Cash collateralized letters of credit		246	11	<$1 - $209
Total	$	779	38