CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income		$ 2,105	$ 1,386	$ 890
Other comprehensive income (loss):
Foreign currency translation adjustments	[1]	(93)	(26)	40
Fixed price diesel swaps		0	1	0
Other comprehensive income (loss)	[1]	(93)	(25)	40
Comprehensive income		$ 2,012	$ 1,361	$ 930

[1] There were no material reclassifications from accumulated other comprehensive loss reflected in other comprehensive income (loss) during the years ended December 31, 2022, 2021 or 2020. There was no material tax impact related to the foreign currency translation adjustments during the years ended December 31, 2022, 2021 or 2020. See note 14 to the consolidated financial statements for a discussion addressing our determination pertaining to the permanent reinvestment of unremitted foreign earnings. There were no material taxes associated with other comprehensive income (loss) during the years ended December 31, 2022, 2021 or 2020.