v3.26.1
Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Statement of Comprehensive Income [Abstract]        
Net income attributable to common shareholders $ 315 $ 289 $ 511 $ 494
Other comprehensive income (loss), net of tax:        
Defined benefit pension plan actuarial loss, net of tax of $0 for the three and six months ended June 30, 2026 and 2025 0 1 0 1
Unrealized (loss) gain on cash flow hedges, net of tax of $(1) and $1 for the three months ended June 30, 2026 and 2025, respectively, and $0 and $(2) for the six months ended June 30, 2026 and 2025, respectively (1) 3 1 (5)
Unrealized gain (loss) on available-for-sale fixed-income securities, net of tax of $0 for the three months ended June 30, 2026 and 2025, and $0 and $(1) for the six months ended June 30, 2026 and 2025, respectively 1 (1) 1 (3)
Net other comprehensive income (loss) 0 3 2 (7)
Comprehensive income attributable to common shareholders $ 315 $ 292 $ 513 $ 487