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DEBT - Schedule of Debt (Details) - USD ($) | Sep. 30, 2020 | Jun. 30, 2020
--- | --- | ---
Debt Instrument |  |
Debt outstanding | $ 3,450,000,000 | $ 3,500,000,000
Unamortized discount | (7,958,000) | (8,167,000)
Unamortized debt issuance costs | (21,639,000) | (22,163,000)
Total, net of discount | 3,420,403,000 | 3,469,670,000
Long-term debt | $ 3,420,403,000 | 3,469,670,000
Fixed-rate 4.650% Senior Notes due on November 1, 2024 | Senior notes |  |
Debt Instrument |  |
Stated interest rate | 4.65% |
Debt outstanding | $ 1,250,000,000 | $ 1,250,000,000
Effective interest rate | 4.682% | 4.682%
Fixed-rate 5.650% Senior Notes due on November 1, 2034 | Senior notes |  |
Debt Instrument |  |
Stated interest rate | 5.65% |
Debt outstanding | $ 250,000,000 | $ 250,000,000
Effective interest rate | 5.67% | 5.67%
Fixed-rate 4.100% Senior Notes due on March 15, 2029 | Senior notes |  |
Debt Instrument |  |
Stated interest rate | 4.10% |
Debt outstanding | $ 800,000,000 | $ 800,000,000
Effective interest rate | 4.159% | 4.159%
Fixed-rate 5.000% Senior Notes due on March 15, 2049 | Senior notes |  |
Debt Instrument |  |
Stated interest rate | 5.00% |
Debt outstanding | $ 400,000,000 | $ 400,000,000
Effective interest rate | 5.047% | 5.047%
Fixed-rate 3.300% Senior Notes due on March 1, 2050 | Senior notes |  |
Debt Instrument |  |
Stated interest rate | 3.30% |
Debt outstanding | $ 750,000,000 | $ 750,000,000
Effective interest rate | 3.302% | 3.302%
Revolving credit facility | Line of credit |  |
Debt Instrument |  |
Debt outstanding | $ 0 | $ 50,000,000
Effective interest rate | 0.00% | 1.31%

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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