CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Allowance for doubtful accounts	$ 180	$ 171
Customers (net of allowance for doubtful accounts of $180 million and $171 million at respective dates) (includes $1.84 billion and $2.06 billion related to VIEs, net of allowance for doubtful accounts of $180 million and $171 million at respective dates)	2,080	2,345
Accrued unbilled revenue (includes $976 million and $1.09 billion related to VIEs at respective dates)	1,070	1,207
Long-term debt, classified as current (includes $32 million and $18 million related to VIEs at respective dates)	4,553	4,481
Long-term debt (includes $1.83 billion and $1.82 billion related to VIEs at respective dates)	$ 39,123	$ 38,225
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	3,600,000,000	3,600,000,000
Common stock, shares outstanding (in shares)	1,987,472,590	1,985,400,540
Pacific Gas & Electric Co (Utility)
Allowance for doubtful accounts	$ 180	$ 171
Customers (net of allowance for doubtful accounts of $180 million and $171 million at respective dates) (includes $1.84 billion and $2.06 billion related to VIEs, net of allowance for doubtful accounts of $180 million and $171 million at respective dates)	2,080	2,345
Accrued unbilled revenue (includes $976 million and $1.09 billion related to VIEs at respective dates)	1,070	1,207
Long-term debt, classified as current (includes $32 million and $18 million related to VIEs at respective dates)	4,526	4,455
Long-term debt (includes $1.83 billion and $1.82 billion related to VIEs at respective dates)	$ 34,532	$ 33,632
Common stock, par value (in dollars per share)	$ 5	$ 5
Common stock, shares authorized (in shares)	800,000,000	800,000,000
Common stock, shares outstanding (in shares)	264,374,809	264,374,809
Variable Interest Entity, Primary Beneficiary
Allowance for doubtful accounts	$ 180	$ 171
Customers (net of allowance for doubtful accounts of $180 million and $171 million at respective dates) (includes $1.84 billion and $2.06 billion related to VIEs, net of allowance for doubtful accounts of $180 million and $171 million at respective dates)	1,840	2,060
Accrued unbilled revenue (includes $976 million and $1.09 billion related to VIEs at respective dates)	976	1,090
Net noncurrent accounts receivable	115	187
Noncurrent allowance for doubtful accounts	11	15
Long-term debt, classified as current (includes $32 million and $18 million related to VIEs at respective dates)	32	18
Long-term debt (includes $1.83 billion and $1.82 billion related to VIEs at respective dates)	1,830	1,820
Variable Interest Entity, Primary Beneficiary | Pacific Gas & Electric Co (Utility)
Allowance for doubtful accounts	180	171
Customers (net of allowance for doubtful accounts of $180 million and $171 million at respective dates) (includes $1.84 billion and $2.06 billion related to VIEs, net of allowance for doubtful accounts of $180 million and $171 million at respective dates)	1,840	2,060
Accrued unbilled revenue (includes $976 million and $1.09 billion related to VIEs at respective dates)	976	1,090
Net noncurrent accounts receivable	115	187
Noncurrent allowance for doubtful accounts	11	15
Long-term debt, classified as current (includes $32 million and $18 million related to VIEs at respective dates)	32	18
Long-term debt (includes $1.83 billion and $1.82 billion related to VIEs at respective dates)	$ 1,830	$ 1,820