SB 901 SECURITIZATION AND CUSTOMER CREDIT TRUST (Financial Statement Impact) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Debt [Line Items]
Regulatory assets	$ 15,215	$ 9,207
Regulatory liabilities	(16,946)	$ (11,999)
SB 901 securitization charges, net	(40)
SB 901 Securitization Inception
Debt [Line Items]
Regulatory liabilities	(5,540)
SB 901 Securitization Inception
Debt [Line Items]
Regulatory assets	$ 5,500

Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382

Name:	us-gaap_RegulatoryAssetsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant