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Long-term Debt (Senior Unsecured Notes) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Aug. 27, 2025	Aug. 06, 2024
Long-term debt
Losses on debt extinguishment	$ 3,783,000	$ 0	$ 556,000
At The Market Program
Long-term debt
Stock option activity (in shares)	8,170,387
Proceeds from issuance of common stock	$ 404,000,000.0
Minimum
Long-term debt
Number of days prior to maturity notes can be redeemed and receive make-whole redemption premium	90 days
Maximum
Long-term debt
Number of days prior to maturity notes can be redeemed and receive make-whole redemption premium	180 days
Senior Notes
Long-term debt
Long-term Debt, Gross	$ 6,350,000,000
Debt instrument, redemption price, percentage	100.00%
Senior Notes | Change of Control
Long-term debt
Debt instrument, redemption price, percentage	101.00%
Senior Unsecured Notes 3.25 Percent Due 2032
Long-term debt
Long-term Debt, Gross	$ 800,000,000	800,000,000
Debt Instrument, Face Amount	$ 800,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Senior Unsecured Notes 4.00 Percent Due 2031
Long-term debt
Long-term Debt, Gross	$ 700,000,000	700,000,000
Debt Instrument, Face Amount	$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.00%
$400 million 3.35% senior unsecured notes due September 2024
Long-term debt
Debt Instrument, Face Amount	$ 400,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.35%
$700 million 4.00% senior unsecured notes due January 2030
Long-term debt
Long-term Debt, Gross	$ 700,000,000	700,000,000
Debt Instrument, Face Amount	$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Senior Unsecured Notes 6.75 Percent Due 2033
Long-term debt
Long-term Debt, Gross	$ 400,000,000	400,000,000
Debt Instrument, Face Amount	$ 400,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.75%
Senior Unsecured Notes 5.625 Percent Due 2034
Long-term debt
Long-term Debt, Gross	$ 400,000,000	400,000,000
Debt Instrument, Face Amount	$ 800,000,000	$ 800,000,000			$ 800,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.625%	5.625%			5.625%
Debt instrument, discount rate at issuance as a percent of face value					99.094%
Senior Unsecured Notes 6.250 Percent Due 2054
Long-term debt
Long-term Debt, Gross	$ 800,000,000	$ 800,000,000
Debt Instrument, Face Amount	$ 400,000,000	$ 400,000,000			$ 400,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.25%	6.25%			6.25%
Debt instrument, discount rate at issuance as a percent of face value					99.183%
Senior Unsecured Notes 5.250 Percent Due 2033
Long-term debt
Debt Instrument, Face Amount	$ 600,000,000	$ 600,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.25%	5.25%
Debt instrument, discount rate at issuance as a percent of face value				99.642%
Senior Unsecured Notes 5.750 Percent Due 2037
Long-term debt
Debt Instrument, Face Amount	$ 700,000,000	$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.75%	5.75%
Debt instrument, discount rate at issuance as a percent of face value				9918.70%
$850 million 5.250% senior unsecured notes due June 2025
Long-term debt
Long-term Debt, Gross	$ 0	$ 850,000,000
Debt Instrument, Face Amount	$ 850,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.25%
$975 million 5.375% senior unsecured notes due April 2026
Long-term debt
Long-term Debt, Gross	$ 0	$ 975,000,000
Debt Instrument, Face Amount	$ 975,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.375%

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