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Consolidated Balance Sheet (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Statement of Financial Position [Abstract]    
Allowance for credit losses $ 70 $ 70
Common stock authorized (in shares) 2,500,000,000 2,500,000,000
Common stock, par value (in usd per share) $ 0.01 $ 0.01
Common stock issued (in shares) 658,173,402 656,987,861
Treasury stock (in shares) 250,591,516 248,594,923