Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Rent Expense

Rent expense was as follows:

	Years Ended December 31
	2012		2011		2010
	(in millions)
Office facilities	$	71	$	73	$	77
Equipment		11		10		9
	$	82	$	83	$	86

Future Minimum Rental Payments Required Under Non-Cancellable Operating Leases

At December 31, 2012, future minimum rental payments required under non-cancellable operating leases were as follows:

Years Ending December 31	(in millions)
2013	$	66
2014		53
2015		43
2016		33
2017		26
After 2017		66
	$	287