Equity - Additional Information - Stock Repurchase Programs (Details) - USD ($) $ in Millions	8 Months Ended
	May 12, 2019	Apr. 26, 2019
Equity [Abstract]
Stock Repurchase Program, Authorized Amount		$ 4,000
Previously Authorized But Unused Share Repurchase Amounts Revoked		$ 2,237
Stock Repurchase Program Expiration Date	Apr. 26, 2023
Stock repurchase program, remaining authorized repurchase amount	$ 3,995