Schedule of Information Related to Stock Repurchase Programs (Detail) - USD ($)		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 28, 2022	Dec. 31, 2019
Class of Stock [Line Items]
Additional dollars authorized for repurchase		$ 947,370,000	$ 358,200,000		$ 1,400,000,000
Aggregate purchase price paid for shares purchased as part of publicly announced program		832,918,000	1,220,875,000	$ 206,719,000
Stock Repurchase Programs Twenty Sixteen
Class of Stock [Line Items]
Maximum number of dollars that may yet be purchased under the program						$ 756,123,000
Stock Repurchase Programs Twenty Seventeen
Class of Stock [Line Items]
Total number of shares purchased	[1]			2,050,735
Total number of shares cancelled				17,779
Average price paid per share for forfeited restricted shares				$ 0.01
Aggregate purchase price paid				$ 206,719,000
Maximum number of dollars that may yet be purchased under the program				$ 559,563,000
Stock Repurchase Programs Twenty Seventeen | Stock Repurchase Program
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs				1,951,899
Average price paid per share for shares purchased as part of publicly announced program				$ 100.70
Aggregate purchase price paid for shares purchased as part of publicly announced program				$ 196,560,000
Stock Repurchase Programs Twenty Eighteen
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
Aggregate purchase price paid			$ 1,220,876,000
Maximum number of dollars that may yet be purchased under the program			$ 358,233,000
Stock Repurchase Programs Twenty Eighteen | 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 Nineteen
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
Aggregate purchase price paid		$ 832,915,000
Maximum number of dollars that may yet be purchased under the program		$ 947,368,000
Stock Repurchase Programs Twenty Nineteen | 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
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs				1,951,899
Aggregate purchase price paid for shares purchased as part of publicly announced program				$ 196,600,000
Stock Repurchase Programs Twenty Twenty One
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs		6,666,547	8,409,721
Aggregate purchase price paid for shares purchased as part of publicly announced program		$ 810,900,000	$ 1,200,000,000
Stock Repurchase Programs Twenty Seventeen To Twenty Nineteen
Class of Stock [Line Items]
Additional dollars authorized for repurchase		$ 2,400,000,000
Total number of shares purchased	[1]	17,439,000
Total number of shares cancelled		42,002
Average price paid per share for forfeited restricted shares		$ 0.01
Aggregate purchase price paid		$ 2,260,510,000
Stock Repurchase Programs Twenty Seventeen To Twenty Nineteen | Stock Repurchase Program
Class of Stock [Line Items]
Total number of shares purchased as part of publicly announced programs		17,028,167
Average price paid per share for shares purchased as part of publicly announced program		$ 129.71
Aggregate purchase price paid for shares purchased as part of publicly announced program		$ 2,208,755,000

[1] Includes 8,467, 15,761 and 17,779 of restricted shares that were forfeited by former employees pursuant to the terms of our restricted stock purchase plan during 2022, 2021 and 2020, respectively.