Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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CORRECTION OF PREVIOUSLY ISSUED QUARTERLY FINANCIAL INFORMATION - Consolidated Statement Of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended					6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net cash provided by operating activities	$ 0	$ 0	$ 0	$ 0				$ 657	$ 649	$ 639
Cash flows from investing activities:
Net cash used in investing activities	0	0	0	0				(358)	(1,106)	(69)
Cash flows from financing activities:
Net cash (used in) provided by financing activities	$ 0	$ 0	$ 0	$ 0				(379)	476	(472)
As Previously Issued
Cash flows from operating activities:
Net cash provided by operating activities								657	635	633
Cash flows from financing activities:
Net cash (used in) provided by financing activities								(379)	490	(466)
Adjustment
Cash flows from operating activities:
Net cash provided by operating activities					$ 6	$ 12	$ 13	0	14	6
Cash flows from financing activities:
Net cash (used in) provided by financing activities					$ 6	$ 12	$ 13	$ 0	$ (14)	$ (6)