Schedule of Information Related to Stock Repurchase Programs (Detail) - USD ($)		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2023	Dec. 31, 2019
Class of Stock [Line Items]
Additional dollars authorized for repurchase		$ 422,880,000			$ 947,370,000
Aggregate purchase price paid for shares purchased as part of publicly announced program		$ 552,608,000	$ 832,918,000	$ 1,220,875,000
Stock Repurchase Programs Twenty Twenty
Class of Stock [Line Items]
Maximum number of dollars that may yet be purchased under the program						$ 559,563,000
Stock Repurchase Programs Twenty Twenty One
Class of Stock [Line Items]
Additional dollars authorized for repurchase				$ 1,000,000,000
Total number of shares purchased	[1]			8,559,946
Total number of shares cancelled				15,756
Average price paid per share for forfeited restricted shares				$ 0.01
Total number of shares purchased as part of publicly announced programs				8,409,721
Aggregate purchase price paid				$ 1,220,876,000
Aggregate purchase price paid for shares purchased as part of publicly announced program				1,200,000,000
Maximum number of dollars that may yet be purchased under the program				$ 358,233,000
Stock Repurchase Programs Twenty Twenty One | Stock Repurchase Program
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs				8,409,721
Average price paid per share for shares purchased as part of publicly announced program				$ 142.85
Aggregate purchase price paid for shares purchased as part of publicly announced program				$ 1,201,330,000
Stock Repurchase Programs Twenty Twenty Two
Class of Stock [Line Items]
Additional dollars authorized for repurchase			$ 1,400,000,000
Total number of shares purchased	[1]		6,828,319
Total number of shares cancelled			8,467
Average price paid per share for forfeited restricted shares			$ 0.01
Total number of shares purchased as part of publicly announced programs			6,666,547
Aggregate purchase price paid			$ 832,915,000
Aggregate purchase price paid for shares purchased as part of publicly announced program			810,900,000
Maximum number of dollars that may yet be purchased under the program			$ 947,368,000
Stock Repurchase Programs Twenty Twenty Two | Stock Repurchase Program
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs			6,666,547
Average price paid per share for shares purchased as part of publicly announced program			$ 121.63
Aggregate purchase price paid for shares purchased as part of publicly announced program			$ 810,865,000
Stock Repurchase Programs Twenty Twenty Three
Class of Stock [Line Items]
Total number of shares purchased	[1]	4,022,051
Total number of shares cancelled		2,356
Average price paid per share for forfeited restricted shares		$ 0.01
Total number of shares purchased as part of publicly announced programs		3,855,046
Aggregate purchase price paid		$ 547,362,000
Aggregate purchase price paid for shares purchased as part of publicly announced program		524,500,000
Maximum number of dollars that may yet be purchased under the program		$ 422,883,000
Stock Repurchase Programs Twenty Twenty Three | Stock Repurchase Program
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs		3,855,046
Average price paid per share for shares purchased as part of publicly announced program		$ 136.05
Aggregate purchase price paid for shares purchased as part of publicly announced program		$ 524,485,000
Stock Repurchase Programs Twenty Twenty One to Twenty Twenty Three
Class of Stock [Line Items]
Additional dollars authorized for repurchase		$ 2,400,000,000
Total number of shares purchased	[1]	19,410,316
Total number of shares cancelled		26,579
Average price paid per share for forfeited restricted shares		$ 0.01
Aggregate purchase price paid		$ 2,601,153,000
Stock Repurchase Programs Twenty Twenty One to Twenty Twenty Three | Stock Repurchase Program
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs		18,931,314
Average price paid per share for shares purchased as part of publicly announced program		$ 133.99
Aggregate purchase price paid for shares purchased as part of publicly announced program		$ 2,536,680,000

[1] Includes 2,356, 8,467 and 15,756 of restricted shares that were forfeited by former employees pursuant to the terms of our restricted stock purchase plan during 2023, 2022 and 2021, respectively.