Indebtedness - Bank Debt - Additional Information (Detail)	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2023 USD ($) Commercialbank	Sep. 30, 2022	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Line of credit facility amount outstanding during period		$ 0		$ 9,509,000
Undrawn letters of credit		262,800,000
Borrowing capacity available under the commitment amount		1,200,000,000
Bank Credit Facility
Debt Instrument [Line Items]
Bank credit facility, maximum amount		4,000,000,000
Bank credit facility, borrowing base		$ 3,000,000,000
Number of commercial banks included in current bank group | Commercialbank		17
Maturity date of loan		Apr. 14, 2027
Line of credit facility amount outstanding during period		$ 0
Bank commitments		1,500,000,000
Outstanding amount		$ 0
Weighted average interest rate on the bank credit facility	5.70%	8.40%	3.70%
Annual rate of commitment fee paid on the undrawn balance		0.375%
Bank Credit Facility | Alternate Base Rate
Debt Instrument [Line Items]
Interest rate margin		0.75%
Bank Credit Facility | SOFR
Debt Instrument [Line Items]
Interest rate margin		1.75%
Bank Credit Facility | Minimum
Debt Instrument [Line Items]
Annual rate of commitment fee paid on the undrawn balance		0.375%
Bank Credit Facility | Minimum | Alternate Base Rate
Debt Instrument [Line Items]
Interest rate on notes		0.75%
Bank Credit Facility | Minimum | SOFR
Debt Instrument [Line Items]
Interest rate on notes		1.75%
Bank Credit Facility | Maximum
Debt Instrument [Line Items]
Annual rate of commitment fee paid on the undrawn balance		0.50%
Bank Credit Facility | Maximum | Alternate Base Rate
Debt Instrument [Line Items]
Interest rate on notes		1.75%
Bank Credit Facility | Maximum | SOFR
Debt Instrument [Line Items]
Interest rate on notes		2.75%