Debt - Long-Term Debt (Parenthetical) (Detail)		12 Months Ended
	Nov. 04, 2024	Dec. 31, 2024
4.250% Senior Notes, Due 2024
Debt Instrument [Line Items]
Maturity year		2024
Interest rate on notes		4.25%
7% Debentures, Due 2025
Debt Instrument [Line Items]
Maturity year		2025
Interest rate on notes		7.00%
3.450% Senior Notes, Due 2027
Debt Instrument [Line Items]
Maturity year		2027
Interest rate on notes		3.45%
3.500% Senior Notes, Due 2027
Debt Instrument [Line Items]
Maturity year		2027
Interest rate on notes		3.50%
2.500% Senior Notes, Due 2030
Debt Instrument [Line Items]
Maturity year		2030
Interest rate on notes		2.50%
2.400% Senior Notes, Due 2031
Debt Instrument [Line Items]
Maturity year		2031
Interest rate on notes		2.40%
5.150% Senior Notes, Due 2034
Debt Instrument [Line Items]
Maturity year	2034	2034
Interest rate on notes	5.15%	5.15%
6.25% Senior Notes, Due 2037
Debt Instrument [Line Items]
Maturity year		2037
Interest rate on notes		6.25%
4.250% Senior Notes, Due 2047
Debt Instrument [Line Items]
Maturity year		2047
Interest rate on notes		4.25%
3.200% Senior Notes, Due 2051
Debt Instrument [Line Items]
Maturity year		2051
Interest rate on notes		3.20%
5.500% Senior Notes, Due 2054
Debt Instrument [Line Items]
Maturity year	2054	2054
Interest rate on notes	5.50%	5.50%