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SUBSEQUENT EVENTS (Details) - Senior notes - USD ($)
$ in Millions
Apr. 01, 2021
Jun. 30, 2021
2.050% senior notes    
Subsequent Event [Line Items]    
Debt instrument, stated interest rate 2.05% 2.05%
Repayments of senior notes $ 700  
Floating-rate senior notes    
Subsequent Event [Line Items]    
Repayments of senior notes $ 350