Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Rent Expense on Operating Leases

Rent expense was as follows (table in millions):

	2014			2013			2012
Rent expense	$	361		$	328		$	312
Sublease proceeds	(2		)	(2		)	(4		)
Net rent expense	$	359		$	326		$	308

Future Operating Lease Commitments

Our future operating lease commitments as of December 31, 2014 are as follows (table in millions):

2015	$	328
2016	281
2017	224
2018	162
2019	117
Thereafter	826
Total minimum lease payments	$	1,938