DERIVATIVE FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

May 31, 2019

Derivative Instrument Detail [Abstract]

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

		Fair Value as of May 31,
(in millions)	Balance Sheet Location	2019		2018
Derivative assets:
Interest rate swap agreements designated as fair value hedges	Other non-current assets	$	5	$	24
Cross-currency interest rate swap agreements designated as fair value hedges	Other non-current assets		—		5
Total derivative assets		$	5	$	29
Derivative liabilities:
Interest rate swap agreements designated as fair value hedges	Other current liabilities	$	5	$	7
Interest rate swap agreements designated as fair value hedges	Other non-current liabilities		—		48
Cross-currency interest rate swap agreements designated as fair value hedges	Other non-current liabilities		17		—
Cross-currency swap agreements designated as cash flow hedges	Other non-current liabilities		208		103
Total derivative liabilities		$	230	$	158

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

	May 31,
(in millions)	2019			2018
Notes payable and other borrowings, current:
Carrying amount of hedged item	$	1,994		$	1,492
Cumulative hedging adjustments included in the carrying amount		(5	)		(7	)
Notes payable and other borrowings, non-current:
Carrying amounts of hedged items		3,652			5,584
Cumulative hedging adjustments included in the carrying amount		44			(19	)

Effects of Derivative Instruments Designated as Hedges on Income

	Year Ended May 31,
	2019						2018					2017
(in millions)	Non-operating income, net			Interest expense			Non-operating income, net		Interest expense			Non-operating income, net		Interest expense
Consolidated statements of income line amounts in which the hedge effects were recorded	$	815		$	(2,082	)	$	1,185	$	(2,025	)	$	565	$	(1,798	)
Gain (loss) on hedges recognized in income:
Interest rate swaps designated as fair value hedges:
Derivative instruments	$	—		$	31		$	—	$	(66	)	$	—	$	(82	)
Hedged items		—			(31	)		—		66			—		82
Cross-currency interest rate swaps designated as fair value hedges:
Derivative instruments		(38	)		27			—		—			—		—
Hedged items		38			(27	)		—		—			—		—
Cross-currency swap agreements designated as cash flow hedges:
Amount of gain (loss) reclassified from accumulated OCI or OCL		(53	)		—			51		—			2		—
Total gain (loss) on hedges recognized in income	$	(53	)	$	—		$	51	$	—		$	2	$	—

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

	Year Ended May 31,
(in millions)	2019			2018		2017
Cross-currency swap agreements designated as cash flow hedges	$	(105	)	$	88	$	27