Fair Value Of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2025

Fair Value Of Financial Instruments [Abstract]

Fair Value Of Long-Term Debt

	June 30, 2025				December 31, 2024
($ in millions)		Carrying Amount		Fair Value		Carrying Amount		Fair Value
Total debt	$	11,896	$	12,123	$	11,569	$	11,749