v3.26.1
Consolidated Balance Sheets (Parentheticals) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Statement of Financial Position [Abstract]    
Accumulated depreciation $ 11,506.7 $ 11,126.0
Preferred stock, par value $ 0.0 $ 0.0
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, authorized 15,000,000 15,000,000
Preferred stock, outstanding 0 0
Preferred stock, issued 0 0