Leased Assets

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Leased Assets

18.  Leased Assets

We and certain of our subsidiaries lease drilling rigs, support vessels, office space and other assets for varying periods under contractual obligations accounted for as operating leases.  Operating lease expenses for drilling rigs used to drill development wells and successful exploration wells are capitalized.  At December 31, 2018, future minimum rental payments applicable to non‑cancelable operating leases with remaining terms in excess of one year (other than oil and gas property leases) are as follows (in millions):

2019	$	355
2020	156
2021	65
2022	64
2023	64
Remaining years	198
Total Minimum Lease Payments		902
Less: Income from subleases	114
Net Minimum Lease Payments	$	788

Rental expense was as follows:

	2018		2017		2016
	(In millions)
Total rental expense	$	154	$	123	$	106
Less: Income from subleases	8		10		5
Net Rental Expense	$	146	$	113	$	101