Leases

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Leases of Lessee Disclosure [Text Block]

NOTE F – LEASES AND OTHER PURCHASE OBLIGATIONS

Rent expense amounted to $88 million in 2017, $80 million in 2016 and $76 million in 2015.

Future minimum rental commitments as of December 31, 2017 under all noncancellable lease agreements, including capital leases, were as follows:

(in millions)	As of December 31, 2017
2018	$	72
2019	52
2020	40
2021	33
2022	28
Thereafter	93
	$	317

Future minimum purchase obligations as of December 31, 2017, were as follows:

(in millions)	As of December 31, 2017
2018	$	262
2019	26
2020	15
2021	13
2022	5
Thereafter	6
	$	327