v3.25.2
Segments - Depreciation, Amortization and Accretion, Capital Expenditures, Interest Income, Interest Expense and Net Equity in Earnings (Losses) of Affiliates (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Sep. 30, 2024
Segment Reporting Information [Line Items]          
Depreciation, amortization, and accretion of AROs $ 354 $ 315 $ 691 $ 633 $ 633
Capital Expenditures Total 1,346 1,698 2,607 3,853  
Interest income 70 88 139 193  
Interest expense 352 389 694 746  
Net equity in earnings (losses) of affiliates (22) 3 (56) (12)  
Operating Segments [Member] | Renewables          
Segment Reporting Information [Line Items]          
Depreciation, amortization, and accretion of AROs 138 116 267 237  
Capital Expenditures Total 1,086 1,185 2,056 2,713  
Interest income 20 29 41 60  
Interest expense 119 118 250 210  
Net equity in earnings (losses) of affiliates (6) 21 (15) 22  
Operating Segments [Member] | Utilities          
Segment Reporting Information [Line Items]          
Depreciation, amortization, and accretion of AROs 131 112 255 223  
Capital Expenditures Total 232 414 492 862  
Interest income 4 4 6 7  
Interest expense 77 75 154 148  
Net equity in earnings (losses) of affiliates 2 2 4 3  
Operating Segments [Member] | Energy Infrastructure          
Segment Reporting Information [Line Items]          
Depreciation, amortization, and accretion of AROs 83 84 164 168  
Capital Expenditures Total 25 91 53 256  
Interest income 41 48 82 113  
Interest expense 76 127 150 261  
Net equity in earnings (losses) of affiliates 3 2 7 5  
Operating Segments [Member] | New Energy Technologies          
Segment Reporting Information [Line Items]          
Depreciation, amortization, and accretion of AROs 1 1 1 1  
Capital Expenditures Total 2 2 3 4  
Interest income 2 2 4 3  
Interest expense 0 0 0 0  
Net equity in earnings (losses) of affiliates (17) (11) (44) (28)  
Corporate, Non-Segment | Corporate Other And Other          
Segment Reporting Information [Line Items]          
Depreciation, amortization, and accretion of AROs 1 2 4 4  
Capital Expenditures Total 1 6 3 18  
Interest income 3 5 6 10  
Interest expense 80 69 140 127  
Net equity in earnings (losses) of affiliates $ (4) $ (11) $ (8) $ (14)