Indebtedness - Debt Outstanding (Parenthetical) (Detail)	Sep. 30, 2022	Jan. 31, 2022	Dec. 31, 2021
4.75% Senior Notes Due 2030
Debt Instrument [Line Items]
Interest rate on notes	4.75%	4.75%	4.75%
4.875% Senior Notes Due 2025
Debt Instrument [Line Items]
Interest rate on notes	4.875%		4.875%
5.00% Senior Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.00%		5.00%
5.00% Senior Notes Due 2023
Debt Instrument [Line Items]
Interest rate on notes	5.00%		5.00%
5.875% Senior Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.875%		5.875%
8.25% Senior Notes Due 2029
Debt Instrument [Line Items]
Interest rate on notes	8.25%		8.25%
9.25% Senior Notes Due 2026
Debt Instrument [Line Items]
Interest rate on notes	9.25%		9.25%