Face (par) amount of debt instrument at time of issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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Debt Debt - June 2020 Offering (Details) - USD ($)				3 Months Ended			6 Months Ended
Debt Debt - June 2020 Offering (Details) - USD ($)	Jul. 02, 2020	Jun. 29, 2020	Jun. 22, 2020	Sep. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Debt Instrument [Line Items]
Net proceeds from sales of senior notes							$ 2,376,000,000	$ 0
Loss on early extinguishment of debt					$ 17,040,000	$ 0	$ 17,040,000	$ 0
Senior Notes
Debt Instrument [Line Items]
Net proceeds from sales of senior notes			$ 2,376,000,000
Loss on early extinguishment of debt					$ 17,040,000
Senior Notes \| Senior Notes 5.25 Percent Due 2030
Debt Instrument [Line Items]
Principal amount			1,300,000,000
Senior Notes \| Senior Notes 5 Percent due 2028
Debt Instrument [Line Items]
Principal amount			500,000,000
Senior Notes \| Senior Notes 5.625 Percent Due 2032
Debt Instrument [Line Items]
Principal amount			$ 600,000,000
Redempttion price percentage			100.00%
Senior Notes \| Senior Notes 4.375 Percent due 2021
Debt Instrument [Line Items]
Debt redeemed		$ 500,000,000
Redempttion price percentage		100.00%
Senior Notes \| Senior Notes 6% percent due 2023
Debt Instrument [Line Items]
Debt redeemed		$ 600,000,000
Redempttion price percentage		102.00%
Subsequent Event \| Senior Notes \| Senior Notes 5.75 Percent Due [Member]
Debt Instrument [Line Items]
Redempttion price percentage	100.958%
Forecast \| Senior Notes \| Senior Notes 5.75 Percent Due [Member]
Debt Instrument [Line Items]
Loss on early extinguishment of debt				$ 15,300,000