DEBT (Details) - USD ($)			1 Months Ended					2 Months Ended		12 Months Ended
	Aug. 15, 2022	Oct. 31, 2021	Apr. 30, 2021	Mar. 31, 2020	Nov. 30, 2016	Apr. 30, 2007	May 31, 2003	May 31, 2019	May 31, 2015	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	May 31, 2016
Current and long-term debt and available financing
Current and long-term debt										$ 5,412,000,000	$ 5,569,000,000
Less current debt including current maturities										(268,000,000)	(32,000,000)
Long-term debt, excluding current maturities										5,144,000,000	5,537,000,000
Available financing, committed										2,500,000,000
Available financing, uncommitted										2,671,000,000
Gain (loss) on derivative instruments recognized in other comprehensive income										268,000,000	(118,000,000)
Commercial paper program										2,500,000,000
Revolving credit facility
Current and long-term debt and available financing
Current and long-term debt										$ 0	0
3.125% Senior Notes, due December 1, 2049 (“2049 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										3.125%
Current and long-term debt										$ 636,000,000	636,000,000
Price (as a percent)										98.769%
Yield (as a percent)										3.189%
Aggregate principal amount										$ 650,000,000
Unamortized Debt (Discount) Premium										(8,000,000)
Debt Issuance Costs										$ (6,000,000)
4.15% Senior Notes, due March 15, 2047 (“2047 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										4.15%
Current and long-term debt										$ 494,000,000	494,000,000
Price (as a percent)										99.739%
Yield (as a percent)										4.165%
Aggregate principal amount										$ 500,000,000
Unamortized Debt (Discount) Premium										(1,000,000)
Debt Issuance Costs										$ (5,000,000)
4.15% Senior Notes, due March 15, 2047 (“2047 Senior Notes”) | Treasury lock agreements
Current and long-term debt and available financing
Yield (as a percent)					4.17%
Notional amount					$ 350,000,000
Weighted-average all-in rate (as a percent)					3.01%
Gain (loss) on derivative instruments recognized in other comprehensive income					$ 3,000,000
4.375% Senior Notes, due June 15, 2045 (“2045 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										4.375%
Current and long-term debt										$ 454,000,000	455,000,000
Price (as a percent)										97.999%
Yield (as a percent)										4.497%
Aggregate principal amount										$ 300,000,000			$ 150,000,000
Unamortized Debt (Discount) Premium										(5,000,000)
Debt Issuance Costs										$ (3,000,000)
Aggregate amount outstanding of senior notes													$ 450,000,000
4.375% Senior Notes, due June 15, 2045 (“2045 Senior Notes”) | Interest rate swap contracts
Current and long-term debt and available financing
Yield (as a percent)									4.216%
Notional amount									$ 300,000,000
Weighted-average all-in rate (as a percent)									2.38%
Gain (loss) on derivative instruments recognized in other comprehensive income									$ 18,000,000
3.70% Senior Notes, due August 15, 2042 (“2042 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										3.70%
Current and long-term debt										$ 247,000,000	247,000,000
Price (as a percent)										99.567%
Yield (as a percent)										3.724%
Aggregate principal amount										$ 250,000,000
Unamortized Debt (Discount) Premium										(1,000,000)
Debt Issuance Costs										$ (2,000,000)
6.00% Senior Notes, due May 15, 2037 (“2037 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										6.00%
Current and long-term debt										$ 294,000,000	294,000,000
Price (as a percent)										98.722%
Yield (as a percent)										6.093%
Aggregate principal amount										$ 300,000,000
Unamortized Debt (Discount) Premium										(3,000,000)
Debt Issuance Costs										$ (3,000,000)
6.00% Senior Notes, due May 15, 2037 (“2037 Senior Notes”) | Interest rate swap contracts
Current and long-term debt and available financing
Yield (as a percent)						6.181%
Notional amount						$ 210,000,000
Weighted-average all-in rate (as a percent)						5.45%
Gain (loss) on derivative instruments recognized in other comprehensive income						$ (1,000,000)
5.75% Senior Notes, due October 15, 2033 (“2033 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										5.75%
Current and long-term debt										$ 197,000,000	197,000,000
Price (as a percent)										98.645%
Yield (as a percent)										5.846%
Aggregate principal amount										$ 200,000,000
Unamortized Debt (Discount) Premium										(2,000,000)
Debt Issuance Costs										$ (1,000,000)
5.75% Senior Notes, due October 15, 2033 (“2033 Senior Notes”) | Treasury lock agreements
Current and long-term debt and available financing
Yield (as a percent)							5.395%
Notional amount							$ 195,000,000
Weighted-average all-in rate (as a percent)							4.53%
Cash paid / (received) on settlement of derivative							$ (15,000,000)
1.950% Senior Notes, due March 15, 2031 (“2031 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										1.95%
Current and long-term debt										$ 561,000,000	600,000,000
Price (as a percent)										99.34%
Yield (as a percent)										2.023%
Aggregate principal amount										$ 600,000,000		$ 600,000,000
Unamortized Debt (Discount) Premium										(3,000,000)
Interest rate swap adjustments										(32,000,000)
Debt Issuance Costs										(4,000,000)
1.950% Senior Notes, due March 15, 2031 (“2031 Senior Notes”) | Treasury lock agreements
Current and long-term debt and available financing
Yield (as a percent)				1.89%
Notional amount				$ 200,000,000
Weighted-average all-in rate (as a percent)				0.84%
1.950% Senior Notes, due March 15, 2031 (“2031 Senior Notes”) | Interest rate swap contracts
Current and long-term debt and available financing
Notional amount										$ 300,000,000
Gain (loss) on derivative instruments recognized in other comprehensive income				$ 11,000,000
2.600% Senior Notes, due April 15, 2030 ("2030 Senior Notes")
Current and long-term debt and available financing
Interest rate, stated percentage										2.60%
Current and long-term debt										$ 613,000,000	697,000,000
Price (as a percent)										99.816%
Yield (as a percent)										2.621%
Aggregate principal amount										$ 700,000,000
Unamortized Debt (Discount) Premium										(1,000,000)
Interest rate swap adjustments										(83,000,000)
Debt Issuance Costs										(3,000,000)
2.600% Senior Notes, due April 15, 2030 ("2030 Senior Notes") | Interest rate swap contracts
Current and long-term debt and available financing
Notional amount										$ 700,000,000
2.375% Senior Notes, due December 1, 2029 (“2029 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										2.375%
Current and long-term debt										$ 642,000,000	641,000,000
Price (as a percent)										99.046%
Yield (as a percent)										2.483%
Aggregate principal amount										$ 650,000,000
Unamortized Debt (Discount) Premium										(5,000,000)
Debt Issuance Costs										$ (3,000,000)
2.375% Senior Notes, due December 1, 2029 (“2029 Senior Notes”) | Treasury lock agreements
Current and long-term debt and available financing
Yield (as a percent)								3.15%
Notional amount								$ 500,000,000
Weighted-average all-in rate (as a percent)								2.50%
Gain (loss) on derivative instruments recognized in other comprehensive income								$ (33,000,000)
3.15% Senior Notes, due March 15, 2027 (“2027 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										3.15%
Current and long-term debt										$ 498,000,000	498,000,000
Price (as a percent)										99.963%
Yield (as a percent)										3.154%
Aggregate principal amount										$ 500,000,000
Debt Issuance Costs										$ (2,000,000)
3.15% Senior Notes, due March 15, 2027 (“2027 Senior Notes”) | Treasury lock agreements
Current and long-term debt and available financing
Yield (as a percent)					3.18%
Notional amount					$ 450,000,000
Weighted-average all-in rate (as a percent)					2.37%
Gain (loss) on derivative instruments recognized in other comprehensive income					$ 2,000,000
2.00% Senior Notes, due December 1, 2024 (“2024 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										2.00%
Current and long-term debt										$ 498,000,000	496,000,000
Price (as a percent)										99.421%
Yield (as a percent)										2.122%
Aggregate principal amount										$ 500,000,000
Unamortized Debt (Discount) Premium										(1,000,000)
Debt Issuance Costs										$ (1,000,000)
2.35% Senior Notes, due August 15, 2022 (“2022 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage										2.35%
Current and long-term debt										$ 250,000,000	255,000,000
Price (as a percent)										99.911%
Yield (as a percent)										2.36%
Aggregate principal amount										$ 250,000,000
Interest rate swap adjustments										0
Debt Issuance Costs										0
2.35% Senior Notes, due August 15, 2022 (“2022 Senior Notes”) | Subsequent Event
Current and long-term debt and available financing
Interest rate, stated percentage	2.35%
Repayments of senior debt	$ 250,000,000
2.35% Senior Notes, due August 15, 2022 (“2022 Senior Notes”) | Interest rate swap contracts
Current and long-term debt and available financing
Notional amount										250,000,000
1.70% Senior Notes, due May 10, 2021 (“2021 Senior Notes”)
Current and long-term debt and available financing
Interest rate, stated percentage			1.70%
Repayments of senior debt			$ 450,000,000
Commercial paper
Current and long-term debt and available financing
Current and long-term debt										0	0
Available financing, uncommitted										2,500,000,000
Other long-term borrowings
Current and long-term debt and available financing
Current and long-term debt										10,000,000	27,000,000
Other current borrowings
Current and long-term debt and available financing
Current and long-term debt										18,000,000	32,000,000
Available financing, uncommitted										171,000,000
Monthly average amount outstanding										$ 8,000,000	$ 12,000,000
Weighted-average interest rate (as a percent)										10.20%	13.00%
Revolving credit facility
Current and long-term debt and available financing
Available financing, committed										$ 2,500,000,000
4.375% Senior Notes, due June 15, 2045 ("2045 Senior Notes")
Current and long-term debt and available financing
Price (as a percent)										110.847%
Yield (as a percent)										3.753%
Aggregate principal amount										$ 150,000,000
Unamortized Debt (Discount) Premium										14,000,000
Debt Issuance Costs										$ (2,000,000)
1.80% Senior Notes, due February 7, 2020 ("2020 Senior Notes") | LIBOR
Current and long-term debt and available financing
Number of months for LIBOR calculation										3 months
Revolving Credit Facility Expiring October 2023
Current and long-term debt and available financing
Maximum borrowing capacity		$ 1,500,000,000
Revolving Credit Facility Expiring October 2026
Current and long-term debt and available financing
Maximum borrowing capacity		$ 2,500,000,000
Possible additional extended term (in years)		2 years
Maximum borrowing capacity for multi-currency loans		$ 750,000,000
Annual fee		1,000,000
Amount of cross-default provision		175,000,000
Potential increase in borrowing capacity		$ 500,000,000