Leased Assets (Tables)

12 Months Ended

Dec. 31, 2014

Leases [Abstract]

Schedule of Rent Expense [Table Text Block]

Net rental expense comprised the following:

(In millions)	2014			2013			2012
Gross rental expense	$	387		$	400		$	417
Sublease rental income	(40		)	(43		)	(53		)
	$	347		$	357		$	364

Schedule of Future Minimum Rental Payments for Operating Leases and Capital Leases [Table Text Block]

The following table presents minimum future lease payments:

																2020 and
(In millions)	2015			2016			2017			2018			2019			Beyond			Total
Capital Leases
Minimum lease payments	$	14		$	12		$	10		$	8		$	5		$	48		$	97
Imputed interest	(4		)	(4		)	(3		)	(3		)	(3		)	(21		)	(38		)
Present value	$	10		$	8		$	7		$	5		$	2		$	27		$	59
Operating Leases
Minimum lease payments	$	307		$	233		$	178		$	128		$	98		$	322		$	1,266
Minimum sublease rentals	(32		)	(24		)	(14		)	(7		)	(3		)	(9		)	(89		)
	$	275		$	209		$	164		$	121		$	95		$	313		$	1,177
Imputed interest																			(227		)
Present value																			$	950