Debt Obligations - Summary of Senior Notes (Detail) $ in Millions	Sep. 09, 2023 USD ($)
Notes Due 2028 | Four Point Four Five Percent Notes due 2028
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.45%
Debt Instrument, Face Amount	$ 650
Notes Due 2026 | Four Point Five Five Percent Notes due 2026
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.55%
Debt Instrument, Face Amount	$ 500
Notes Due 2026 | Floating Rate Percent Notes due 2026
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 350
Notes Due 2033 | Four Point Four Five Percent Notes due 2033
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.45%
Debt Instrument, Face Amount	$ 1,000
Notes Due 2053 | Four Point Six Five Percent Notes due 2053
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.65%
Debt Instrument, Face Amount	$ 500