Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(5))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Name:	us-gaap_ProvisionForDoubtfulAccounts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Accounts Receivable (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	4 Months Ended	6 Months Ended
	Apr. 30, 2021	Jun. 30, 2021	Apr. 30, 2021	Jun. 30, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Bad debt expense				$ 14
Successor [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Bad debt expense		$ 6		$ 14
Predecessor [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Bad debt expense	$ 4		$ 14