v3.26.1
Components of Accumulated Other Comprehensive Loss, Net - EEGH (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Other comprehensive (loss) income $ (132) $ 163
EEGH    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance 6,947 7,535
Other comprehensive (loss) income 2 0
Ending balance 6,938 6,548
Unrecognized Amounts on Retirement Benefits    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Other comprehensive (loss) income 17 0
Unrecognized Amounts on Retirement Benefits | EEGH    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (1) (2)
Other comprehensive (loss) income 1 0
Ending balance 0 (2)
Unrealized Losses on Cash Flow Hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Other comprehensive (loss) income (6) (6)
Unrealized Losses on Cash Flow Hedges | EEGH    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (31) (34)
Other comprehensive (loss) income 1 0
Ending balance (30) (34)
Noncontrolling Interest    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Other comprehensive (loss) income 0 0
Noncontrolling Interest | EEGH    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (1) (1)
Other comprehensive (loss) income 0 0
Ending balance (1) (1)
Accumulated Other Comprehensive (Loss) Income, Net    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Other comprehensive (loss) income (132) 163
Accumulated Other Comprehensive (Loss) Income, Net | EEGH    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (31) (35)
Other comprehensive (loss) income 2 0
Ending balance $ (29) $ (35)