Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Rent Expense

Rent expense was as follows:

	Years Ended December 31
	2013		2012		2011
	(in millions)
Office facilities	$	71	$	71	$	73
Equipment		13		11		10
	$	84	$	82	$	83

Future Minimum Rental Payments Required Under Non-Cancellable Operating Leases

At December 31, 2013, future minimum rental payments required under non-cancellable operating leases were as follows:

Years Ending December 31	(in millions)
2014	$	67
2015		59
2016		47
2017		37
2018		32
After 2018		74
	$	316