Long-term Debt - Summary of Long-term Debt (Detail) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt, carrying amount	$ 10,891	$ 11,023
3.90% Senior Notes due 2028
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,481	1,478
2.65% Senior Notes due 2030
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,246	1,250
1.375% Guaranteed Notes due 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,171	1,040
2.00% Guaranteed Notes due 2032
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,166	1,034
0.25% Notes due 2027
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,054	936
0.50% Notes due 2031
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,053	935
4.30% Senior Notes due 2029
Debt Instrument [Line Items]
Long-term debt, carrying amount	848	848
4.50% Senior Notes due 2028
Debt Instrument [Line Items]
Long-term debt, carrying amount	497	497
5.00% Senior Notes due 2027
Debt Instrument [Line Items]
Long-term debt, carrying amount	496	495
4.85% Senior Notes due 2033
Debt Instrument [Line Items]
Long-term debt, carrying amount	494	498
5.00% Senior Notes due 2029
Debt Instrument [Line Items]
Long-term debt, carrying amount	493	493
5.00% Senior Notes due 2034
Debt Instrument [Line Items]
Long-term debt, carrying amount	486	489
7.00% Notes due 2038
Debt Instrument [Line Items]
Long-term debt, carrying amount	197	197
5.95% Notes due 2041
Debt Instrument [Line Items]
Long-term debt, carrying amount	111	111
5.13% Notes due 2043
Debt Instrument [Line Items]
Long-term debt, carrying amount	98	98
1.00% Guaranteed Notes due 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	$ 0	$ 624