v3.26.3
Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Statement of Comprehensive Income [Abstract]        
Net income attributable to common shareholders $ 387 $ 379 $ 898 $ 873
Other comprehensive income (loss), net of tax:        
Defined benefit pension plan actuarial loss, net of tax of $0 for the three and nine months ended September 30, 2026 and 2025 1 0 1 1
Unrealized gain (loss) on cash flow hedges, net of tax of $1 and $0 for the three months ended September 30, 2026 and 2025, respectively, and $1 and $(2) for the nine months ended September 30, 2026 and 2025, respectively 3 (1) 4 (6)
Unrealized gain (loss) on available-for-sale fixed-income securities, net of tax of $0 for the three months ended September 30, 2026 and 2025, and $0 and $(1) for the nine months ended September 30, 2026 and 2025, respectively 0 0 1 (3)
Net other comprehensive income (loss) 4 (1) 6 (8)
Comprehensive income attributable to common shareholders $ 391 $ 378 $ 904 $ 865