Commitments and Contingencies Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments for Capital and Operating Leases

The following is a schedule, by years, of the future minimum lease payments required under non-cancelable capital and operating leases as of December 31, 2012 (in millions):

	Capital Leases			Operating Leases
2013	$	398		$	142
2014	278			128
2015	125			117
2016	20			110
2017	15			102
Thereafter	143			252
Total minimum lease payments	$	979		$	851
Less: amount representing interest and taxes	(123		)
Less: current portion of the present value of minimum lease payments	(365		)
Capital lease obligations, net of current portion	$	491