DERIVATIVE FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

Feb. 29, 2020

Derivative Instrument Detail [Abstract]

Fair Values of Derivative Instruments Designated as Hedges in Condensed Consolidated Balance Sheets

		Fair Value as of
(in millions)	Balance Sheet Location	February 29, 2020		May 31, 2019
Derivative assets:
Interest rate swap agreements designated as fair value hedges	Other non-current assets	$	22	$	5
Total derivative assets		$	22	$	5
Derivative liabilities:
Cross-currency swap agreements designated as cash flow hedges	Other current liabilities		253		—
Interest rate swap agreements designated as fair value hedges	Other current liabilities	$	—	$	5
Cross-currency interest rate swap agreements designated as fair value hedges	Other non-current liabilities		21		17
Cross-currency swap agreements designated as cash flow hedges	Other non-current liabilities		—		208
Total derivative liabilities		$	274	$	230

Effects of Fair Value Hedging Relationships on Hedged Items in Condensed Consolidated Balance Sheet

(in millions)	February 29, 2020		May 31, 2019
Notes payable, current:
Carrying amount of hedged item	$	—	$	1,994
Cumulative hedging adjustments included in the carrying amount		—		(5	)
Notes payable and other borrowings, non-current:
Carrying amounts of hedged items		3,670		3,652
Cumulative hedging adjustments included in the carrying amount		61		44

Effects of Derivative Instruments Designated as Hedges on Income

	Three Months Ended
	February 29, 2020						February 28, 2019
(in millions)	Non-operating income, net			Interest expense			Non-operating income, net			Interest expense
Condensed consolidated statements of operations line amounts in which the hedge effects were recorded	$	4		$	(456	)	$	198		$	(509	)
Gain (loss) on hedges recognized in income:
Interest rate swaps designated as fair value hedges:
Derivative instruments	$	—		$	10		$	—		$	43
Hedged items		—			(10	)		—			(43	)
Cross-currency interest rate swaps designated as fair value hedges:
Derivative instruments		—			6			7			9
Hedged items		(1	)		(6	)		(4	)		(9	)
Cross-currency swap agreements designated as cash flow hedges:
Amount of gain (loss) reclassified from accumulated OCL		(18	)		—			11			—
Total gain (loss) on hedges recognized in income	$	(19	)	$	—		$	14		$	—

	Nine Months Ended
	February 29, 2020						February 28, 2019
(in millions)	Non-operating income, net			Interest expense			Non-operating income, net			Interest expense
Condensed consolidated statements of operations line amounts in which the hedge effects were recorded	$	195		$	(1,416	)	$	681		$	(1,557	)
Gain (loss) on hedges recognized in income:
Interest rate swaps designated as fair value hedges:
Derivative instruments	$	—		$	22		$	—		$	5
Hedged items		—			(22	)		—			(5	)
Cross-currency interest rate swaps designated as fair value hedges:
Derivative instruments		(13	)		13			(21	)		10
Hedged items		11			(13	)		22			(10	)
Cross-currency swap agreements designated as cash flow hedges:
Amount of loss reclassified from accumulated OCI or OCL		(36	)		—			(26	)		—
Total loss on hedges recognized in income	$	(38	)	$	—		$	(25	)	$	—

Effects of Derivative Instruments Designated as Hedges on Other Comprehensive Income (OCI) or Loss (OCL)

	Three Months Ended						Nine Months Ended
(in millions)	February 29, 2020			February 28, 2019			February 29, 2020			February 28, 2019
Cross-currency swap agreements designated as cash flow hedges	$	(11	)	$	(7	)	$	(45	)	$	(62	)