Derivative Instruments - Schedule of Fair Value Hedging Instruments Recognized in Income (Details) - Fair Value Hedging - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
Derivative [Line Items] | |||
Gain (Loss) on Fair Value Hedges Recognized in Earnings | $ (14) | $ (1) | $ 7 |
Interest expense | Interest rate swaps | |||
Derivative [Line Items] | |||
Gain (Loss) on Fair Value Hedges Recognized in Earnings | $ (14) | $ (1) | $ 7 |