Financial Instruments and Fair Value Measurements - Carrying Amounts and Estimated Fair Values of Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value of Debt	$ 25,153,342	$ 23,875,961
Fair Value of Debt	21,996,209	20,655,930
Credit Facilities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value of Debt	212,553	1,538,461
Fair Value of Debt	212,553	1,538,461
Senior Notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value of Debt	22,399,340	19,786,253
Fair Value of Debt	19,275,513	16,604,241
Term Loans and Unsecured Other [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value of Debt	2,093,006	2,106,592
Fair Value of Debt	2,079,813	2,092,264
Secured Mortgage [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value of Debt	448,443	444,655
Fair Value of Debt	$ 428,330	$ 420,964