Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Accounts Receivable, Allowance for Credit Loss

The following table represents the activity in the allowance for credit losses for the year ended December 31, 2021:

	Year Ended December 31,
(In millions)	2021		2020
Beginning balance	$	67	$	43
Acquired balance from Direct Energy	112		—
Provision for credit losses(a)	698		108
Write-offs	(224)		(101)
Recoveries collected	30		17
Ending balance(a)	$	683	$	67

(a)Includes bilateral finance hedging risk of $403 million accounted for under ASC 815

Reconciliation of cash, cash equivalents, and restricted cash and cash equivalents

The following table provides a reconciliation of cash and cash equivalents, restricted cash and funds deposited by counterparties reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the statements of cash flows.

	Year Ended December 31,
(In millions)	2021		2020		2019
Cash and cash equivalents	$	250	$	3,905	$	345
Funds deposited by counterparties	845		19		32
Restricted cash	15		6		8
Cash and cash equivalents, funds deposited by counterparties and restricted cash shown in the statements of cash flows	$	1,110	$	3,930	$	385

Detail of supplemental disclosures of cash flow and non-cash investing and financing information was:

	Year Ended December 31,
(In millions)	2021		2020		2019
Interest paid, net of amount capitalized	$	433	$	340	$	372
Income taxes paid, net of refunds	32		24		8
Non-cash investing activities:
(Decreases)/additions to fixed assets for accrued capital expenditures	(16)		(6)		1

Changes in redeemable noncontrolling interest

The following table reflects the changes in the Company's redeemable noncontrolling interest balance for the years ended December 31, 2020 and 2019.

	(In millions)
Balance as of December 31, 2018	$	19
Distributions to redeemable noncontrolling interest	(2)
Net income attributable to redeemable noncontrolling interest - continuing operations	3
Balance as of December 31, 2019	20
Repurchase of redeemable noncontrolling interest	(20)
Balance as of December 31, 2020	$	—