Nature of Operations and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2019

Nature of Operations and Basis of Presentation [Abstract]

Schedule of Future Minimum Commitments for Operating Leases

The following table summarizes our minimum commitments under noncancelable operating leases having initial terms in excess of one year, primarily for property, at December 31, 2018 as disclosed in our 2018 Form 10-K:

	Years Ending December 31,
	2019			2020			2021			2022			2023			Thereafter			Total
Minimum commitments(a)	$	296		$	286		$	247		$	180		$	146		$	582		$	1,737
Sublease income	(61		)	(51		)	(44		)	(38		)	(33		)	(129		)	(356		)
Net minimum commitments	$	235		$	235		$	203		$	142		$	113		$	453		$	1,381

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(a)

Certain leases contain escalation clauses and renewal or purchase options.