Stock Repurchase Program - Additional Information (Detail) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended		278 Months Ended
	Dec. 15, 2020	Feb. 13, 2021	Feb. 15, 2020	Feb. 13, 2021	Feb. 15, 2020	Feb. 13, 2021
Equity, Class of Treasury Stock [Line Items]
Stock repurchased cumulative, shares		752	267	1,336	670	149,000
Purchase of treasury stock				$ 1,578,323	$ 764,846	$ 23,932,000
Increase in authorization of stock repurchase, value	$ 1,500,000
Stock repurchase authorized	$ 24,650,000
Remaining value authorized for share repurchases		$ 717,600		$ 717,600		$ 717,600
Retirement of treasury shares, shares				1,000	1,900
Retained Deficit [Member]
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury shares		1,139,173	$ 1,878,595	$ 1,139,173	$ 1,878,595
Additional Paid-In Capital [Member]
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury shares		$ 60,005	$ 99,686	$ 60,005	$ 99,686
Common Stock
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury shares, shares		1,044	1,912	1,044	1,912
Retirement of treasury shares		$ 10	$ 19	$ 10	$ 19
Subsequent Events [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchased cumulative, shares		169,396,000
Purchase of treasury stock		$ 203,000