v3.25.2
DEBT - Schedule of Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Obligations under finance leases $ 1 $ 0
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Total long-term debt, net of current portion, Less current portion Total long-term debt, net of current portion, Less current portion
Total debt $ 14,514 $ 14,501
Less current portion 346 0
Total long-term debt, net of current portion 14,168 14,501
Net unamortized discount on senior and junior subordinated debt 391 401
Unamortized deferred financing costs 72 74
Face value of debt $ 14,980 14,980
4.0% Senior Notes due 2026    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.00%  
Senior debt $ 346 346
3.70% Senior Notes due 2026    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 3.70%  
Senior debt $ 86 86
2.90% Senior Notes due 2027    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 2.90%  
Senior debt $ 582 582
3.375% Senior Notes due 2028    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 3.375%  
Senior debt $ 498 498
3.70% Senior Notes due 2028    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 3.70%  
Senior debt $ 497 496
4.20% Senior Notes due 2029    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.20%  
Senior debt $ 497 496
7.875% Senior Debentures due 2030    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 7.875%  
Senior debt $ 829 829
4.95% Senior Notes due 2031    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.95%  
Senior debt $ 1,233 1,232
4.20% Senior Notes due 2032    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.20%  
Senior debt $ 981 980
5.50% Senior Debentures due 2033    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 5.50%  
Senior debt $ 428 428
4.85% Senior Debentures due 2034    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.85%  
Senior debt $ 87 87
6.875% Senior Debentures due 2036    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 6.875%  
Senior debt $ 1,073 1,072
6.75% Senior Debentures due 2037    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 6.75%  
Senior debt $ 76 76
5.90% Senior Notes due 2040    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 5.90%  
Senior debt $ 298 298
4.50% Senior Debentures due 2042    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.50%  
Senior debt $ 45 45
4.85% Senior Notes due 2042    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.85%  
Senior debt $ 490 490
4.375% Senior Debentures due 2043    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.375%  
Senior debt $ 1,151 1,146
4.875% Senior Debentures due 2043    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.875%  
Senior debt $ 18 18
5.85% Senior Debentures due 2043    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 5.85%  
Senior debt $ 1,235 1,235
5.25% Senior Debentures due 2044    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 5.25%  
Senior debt $ 345 345
4.90% Senior Notes due 2044    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.90%  
Senior debt $ 542 542
4.60% Senior Notes due 2045    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.60%  
Senior debt $ 591 591
4.95% Senior Notes due 2050    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 4.95%  
Senior debt $ 951 950
6.25% Junior Subordinated Debentures due 2057    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 6.25%  
Junior subordinated debentures $ 644 644
6.375% Junior Subordinated Debentures due 2062    
Debt Instrument [Line Items]    
Stated interest rate (in percent) 6.375%  
Junior subordinated debentures $ 990 $ 989