Note 3 - Long-term Debt (Details Textual) - USD ($)					3 Months Ended			6 Months Ended		20 Months Ended
	Jun. 30, 2024	Jun. 24, 2024	Jun. 04, 2024	Jun. 03, 2024	Sep. 30, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2025	Dec. 31, 2023
Repayments of Long-Term Debt								$ 2,015,000,000	$ 403,000,000
Payments of Debt Restructuring Costs			$ 47,000,000
Debt Issuance Costs, Gross			43,000,000
Gain (Loss) on Extinguishment of Debt			(12,000,000)			$ (7,000,000)	$ 0	(7,000,000)	(3,000,000)
Gain (Loss) on Extinguishment of Debt, before Debt Issuance Cost Writeoff			4,000,000
Deferred Debt Issuance Cost, Writeoff			8,000,000
Debt Repurchase Program, Face Value of Debt Retired						50,000,000
Derivative, Notional Amount	$ 2,000,000,000					2,000,000,000		2,000,000,000
Derivative Asset	18,000,000					18,000,000		18,000,000			$ 24,000,000
Derivative Liabilities, Net of Tax	$ 26,000,000					$ 26,000,000		26,000,000
Amortization								6,000,000	4,000,000
Interest Costs Capitalized								1,000,000	13,000,000
Interest Paid, Excluding Capitalized Interest, Operating Activities								210,000,000	208,000,000
Interest Rate Cap [Member]
Derivative Liabilities, Net of Tax											$ 23,000,000
Interest Costs Capitalized								$ 4,000,000	$ 300,000
Forecast [Member] | Interest Rate Cap [Member]
Derivative Fees Payable										$ 34,000,000
Debt Repurchase Agreement Using Liquidity [Member]
Available Liquidity, Maximum Authorized Amount to Repurchase Debt										$ 250,000,000
Debt Repurchase Agreement Under Rule 10b5-1 [Member]
Debt Repurchase Agreement, Amount of Debt to be Repurchased		$ 50,000,000
Debt Repurchase Plan, Maximum Purchase Price Per One Thousand Face Value		$ 931
Second Amendment Extending Maturity Date to December 1, 2026 [Member]
Line of Credit Facility, Maximum Borrowing Capacity			552,500,000
Long-Term Line of Credit			72,500,000
Third Amendment Increasing Aggregate Commitments to 127.5 Million [Member}
Line of Credit Facility, Increase in Maximum Borrowing Capacity			127,500,000
Long-Term Line of Credit			$ 680,000,000
The 2024 Revolving Credit Facility [Member] | Minimum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.375%
The 2024 Revolving Credit Facility [Member] | Maximum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.50%
The 2024 Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate			1.75%
The 2024 Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate			2.75%
The 2024 Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate			0.75%
The 2024 Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate			1.75%
2026 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	5.875%			5.875%		5.875%		5.875%			5.875%
Debt Instrument, Repurchase Amount				$ 690,000,000
2027 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	7.00%					7.00%		7.00%			7.00%
2027 Notes [Member] | Debt Repurchase Agreement Using Liquidity [Member]
Repayments of Long-Term Debt						$ 45,000,000
Gain (Loss) on Repurchase of Debt Instrument						$ 5,000,000
2027 Notes [Member] | Debt Repurchase Agreement Under Rule 10b5-1 [Member] | Forecast [Member]
Repayments of Long-Term Debt					$ 29,000,000
Debt Repurchase Plan, Notes Repurchased, Average Price Per One Note at Face Value					$ 921
2029 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	10.50%			10.50%		10.50%		10.50%
Debt Instrument, Face Amount				$ 1,250,000,000
2030 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	4.75%					4.75%		4.75%			4.75%
Notes 2031 [Member]
Debt Instrument, Interest Rate, Stated Percentage	5.375%					5.375%		5.375%			5.375%
The 2024 Term Loan [Member]
Debt Instrument, Face Amount			$ 500,000,000	500,000,000
Debt Instrument, Periodic Payment, Principal			$ 1,250,000
Debt Instrument, Prepayment fee			1.00%
The 2024 Term Loan [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.50%
The 2024 Term Loan [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate			1.00%
Debt Instrument, Interest Rate, Effective Percentage			5.25%
The 2024 Term Loan [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			4.25%
The 2024 Revolving Credit Facility [Member]
Proceeds from Lines of Credit				$ 150,000,000
The 2019 Term Loan [Member]
Repayments of Long-Term Debt	$ 1,200,000,000