CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended
	Feb. 09, 2021	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 5,383	$ 295	$ (8,313)
Other comprehensive income, net of income tax:
Reclassification of losses on settled derivative instruments	3	0	9
Other comprehensive income	3	0	9
Comprehensive income (loss)	5,386	295	(8,304)
Comprehensive loss attributable to noncontrolling interests	0	0	16
Comprehensive income (loss) attributable to Chesapeake	$ 5,386	$ 295	$ (8,288)