Long-Term Debt (Details Textuals) $ / shares in Units, shares in Millions			1 Months Ended	12 Months Ended
	Feb. 01, 2020 $ / shares	Nov. 01, 2019 USD ($)	Nov. 30, 2019 USD ($) day $ / shares	Dec. 31, 2019 USD ($)	Nov. 30, 2022 shares	Dec. 31, 2020 USD ($) shares
Debt Instrument [Line Items]
Face amount | $						$ 3,730,000,000
Financial instruments subject to mandatory redemption, settlement terms, share value, amount | $				$ 150,000,000
Equity units subject to mandatory redemption
Debt Instrument [Line Items]
Forward contract indexed to issuer's equity, forward rate per share (in dollars per share)	$ 50		$ 50
Equity units, percentage interest in attached debt instrument			0.005%
Financial instruments subject to mandatory redemption, settlement terms, share value, amount | $			$ 150,000,000
Financial instruments subject to mandatory redemption, contract adjustment rate	4.00%	4.00%
Financial instruments subject to mandatory redemption, contract adjustment rate, annual amount (in dollars per share)	$ 2
Financial instruments subject to mandatory redemption, settlement terms, maximum number of shares (in shares) | shares						13.0
Equity units subject to mandatory redemption | Minimum | Forecast
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, settlement terms, number of shares (in shares) | shares					8.3
Equity units subject to mandatory redemption | Maximum | Forecast
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, settlement terms, number of shares (in shares) | shares					10.3
Equal to or greater than $157.50, 0.3175 shares of common stock | Equity units subject to mandatory redemption
Debt Instrument [Line Items]
Number of consecutive scheduled trading days | day			20
Financial instruments subject to mandatory redemption, anti-dilution provision, conversion ratio			0.3175
Equal to or greater than $157.50, 0.3175 shares of common stock | Equity units subject to mandatory redemption | Minimum
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, anti-dilution provision, stock price threshold (in dollars per share)			$ 157.50
Less than $157.50, but greater than $126.00, number of shares of common stock equal to $50 divided by the AMV | Equity units subject to mandatory redemption
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, anti-dilution provision, conversion ratio			50
Less than $157.50, but greater than $126.00, number of shares of common stock equal to $50 divided by the AMV | Equity units subject to mandatory redemption | Minimum
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, anti-dilution provision, stock price threshold (in dollars per share)			$ 126.00
Less than $157.50, but greater than $126.00, number of shares of common stock equal to $50 divided by the AMV | Equity units subject to mandatory redemption | Maximum
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, anti-dilution provision, stock price threshold (in dollars per share)			$ 157.50
Less than or equal to $126.00, 0.3968 shares of common stock | Equity units subject to mandatory redemption
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, anti-dilution provision, conversion ratio			0.3968
Less than or equal to $126.00, 0.3968 shares of common stock | Equity units subject to mandatory redemption | Maximum
Debt Instrument [Line Items]
Financial instruments subject to mandatory redemption, anti-dilution provision, stock price threshold (in dollars per share)			$ 126.00
November 2019 Series F 2.25% RSNs Maturing 2025 | Equity Units
Debt Instrument [Line Items]
Face amount | $		$ 1,300,000,000	$ 1,300,000,000
Interest rate		2.25%	2.25%
November 2019 Series F 2.25% RSNs Maturing 2025 | Unsuccessful remarketing | Equity Units
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage			100.00%