v3.25.2
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2025
Mar. 31, 2024
Statement of Financial Position [Abstract]    
Allowance for credit losses $ 396 $ 353
Common stock, par value (in dollars per share) $ 100 $ 100
Common stock, shares authorized (in shares) 15,000,000 15,000,000
Common stock, shares issued (in shares) 13,660,000 13,660,000
Common stock, shares outstanding (in shares) 13,660,000 13,660,000