XML 56 R38.htm IDEA: XBRL DOCUMENT v3.25.0.1
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2024
Fair Value Disclosures [Abstract]  
Schedule of Carrying Amounts and Estimated Fair Values The carrying amounts and estimated fair values, based on Level 1 inputs, of long-term debt consist of the following at December 31:
 20242023
Carrying
Amount
Fair
Value
Carrying
Amount
Fair
Value
 ($ in millions)
Long-term debt, including current maturities$(17,206)$(15,656)$(17,179)$(16,631)