Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2013

Leases, Operating [Abstract]

Rental expenses for operating leases

Rental expenses (including amounts applicable to taxes, insurance and maintenance) for operating leases are as follows (in millions):

Years ended December 31	2013		2012		2011
Rental expense	$	520	$	536	$	525
Sub lease rental income	77		72		71
Net rental expense	$	443	$	464	$	454

Future minimum rental payments under operating leases for continuing operations that have initial or remaining noncancelable lease terms in excess of one year, net of sublease rental income

At December 31, 2013, future minimum rental payments required under operating leases that have initial or remaining non-cancelable lease terms in excess of one year, net of sublease rental income, are as follows (in millions):

2014	$	409
2015	371
2016	334
2017	287
2018	250
Thereafter	903
Total minimum payments required	$	2,554