Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Future Minimum Lease Payments Under Noncancelable Operating Leases

At December 31, 2012, future minimum payments under non-cancelable operating leases, net of sublease income amounts, were as follows over each of the next five years and thereafter (in millions):

	Operating Leases		Sub-lease Income		Net Operating Leases
2013		492		26		466
2014		475		22		453
2015		434		17		417
2016		374		12		362
2017		333		7		326
Thereafter		1,596		1		1,595
Total minimum payments	$	3,704	$	85	$	3,619