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Balance Type:	na
Period Type:	duration

Capital Transactions - Repurchase Programs (Details) - USD ($) $ in Billions	Jan. 27, 2021	Jan. 31, 2019
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, dollar amount authorized		$ 1.5
Subsequent Events
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, dollar amount authorized	$ 4.0