Fair Value Of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2025

Fair Value Of Financial Instruments [Abstract]

Fair Value Of Long-Term Debt

	March 31, 2025				December 31, 2024
($ in millions)		Carrying Amount		Fair Value		Carrying Amount		Fair Value
Total debt	$	11,669	$	11,864	$	11,569	$	11,749