Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of future non-cancelable commitments

Future non-cancelable commitments related to these items at December 31, 2016, are summarized below (in millions):



	2017		2018		2019		2020		2021		Thereafter		Total
Leases and rights-of-way easements ⁽¹⁾	$	195	$	165	$	140	$	118	$	97	$	404	$	1,119
Other commitments ⁽²⁾	257		166		153		132		128		378		1,214
Total	$	452	$	331	$	293	$	250	$	225	$	782	$	2,333


⁽¹⁾	Includes capital and operating leases as defined by FASB guidance as well as obligations for rights-of-way easements. Lease expense for 2016, 2015 and 2014 was $198 million, $164 million and $145 million, respectively.

⁽²⁾

Primarily includes third-party storage and transportation agreements and pipeline throughput agreements, as well as approximately $855 million associated with an agreement to transport crude oil on a pipeline that is owned by an equity method investee, in which we own a 50% interest. Our commitment to transport is supported by crude oil buy/sell agreements with third parties (including Oxy) with commensurate quantities.