Leases

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Leases

Leases

Operating lease cost, which includes short-term leases and variable lease payments and approximates cash paid, was $145, $144, and $113 in 2019, 2018, and 2017, respectively.

Operating lease right-of-use assets and lease liabilities in the Consolidated Balance Sheet were as follows:

	December 31, 2019
Right-of-use assets classified in Other noncurrent assets	$	252
Current portion of lease liabilities classified in Other current liabilities	71
Long-term portion of lease liabilities classified in Other noncurrent liabilities and deferred credits	194
Total lease liabilities	$	265

Future minimum contractual operating lease obligations were as follows:

	December 31, 2019			December 31, 2018
2019	$	—		$	94
2020	81			74
2021	62			54
2022	46			40
2023	34			30
2024	24			—
Thereafter	70			87
Total lease payments	$	317		$	379
Less: Imputed interest	(52		)
Present value of lease liabilities	$	265

Right-of-use assets obtained in exchange for operating lease obligations in 2019 were $41. The weighted-average remaining lease term and weighted-average discount rate at December 31, 2019 was 6 years and 6.0%, respectively.