XML 68 R58.htm IDEA: XBRL DOCUMENT v3.23.3
Fair Value (Carrying Amount And Estimated Fair Values Of Financial Instruments) (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Fair Value Disclosures [Abstract]    
Long-term Debt (including current portion), Carrying Amount $ 11,038.1 $ 9,553.6
Long-term debt (including current portion), Estimated Fair Value $ 9,589.2 $ 8,479.4