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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Allowance for doubtful accounts - receivables $ 44 $ 46
Regulatory assets (includes amounts related to VIEs) 2,834 2,150
Current Assets: Other 1,163 638
Regulatory assets (includes amounts related to VIEs) 12,863 12,487
Other Noncurrent Assets: Other 4,026 3,812
Current maturities of long-term debt (includes amounts related to VIEs) 3,171 3,387
Long-Term Debt 63,147 60,448
Other, noncurrent liabilities $ 1,868 $ 1,650
Common stock, par value (in usd per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 2,000,000,000 2,000,000,000
Common stock, shares outstanding (in shares) 770,000,000 769,000,000
Preferred stock, Series A    
Preferred stock, par value (in usd per share) $ 0.001 $ 0.001
Preferred stock, depositary shares authorized (in shares) 40,000,000 40,000,000
Preferred stock, depositary shares outstanding (in shares) 40,000,000 40,000,000
Preferred stock, Series B    
Preferred stock, par value (in usd per share) $ 0.001 $ 0.001
Preferred stock, depositary shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, depositary shares outstanding (in shares) 1,000,000 1,000,000
Variable Interest Entity    
Allowance for doubtful accounts - receivables of VIEs $ 92 $ 76
Regulatory assets (includes amounts related to VIEs) 105 105
Current Assets: Other 284 256
Regulatory assets (includes amounts related to VIEs) 1,774 1,823
Other Noncurrent Assets: Other 120 92
Current maturities of long-term debt (includes amounts related to VIEs) 633 243
Long-Term Debt 4,435 4,854
Other, noncurrent liabilities $ 213 $ 319