Debt - Notes Issued Under Indentures Narrative (Details) £ in Thousands		12 Months Ended
	May 15, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 GBP (£)
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 12,034,622,000	$ 10,650,265,000
Repurchase price in the event of change of control, percentage of principal plus accrued and unpaid interest		101.00%			101.00%
Net proceeds from sales of senior notes		$ 990,000,000	0	$ 737,812,000
Senior Notes
Debt Instrument [Line Items]
Redemption price, percentage		100.00%
Senior Notes | GBP Notes
Debt Instrument [Line Items]
Debt (inclusive of discount) | £					£ 400,000
Senior Notes | 47/8% Notes due 2027
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 1,000,000,000	1,000,000,000
Stated interest rate (as a percent)		4.875%			4.875%
Senior Notes | 51/4% Notes due 2028
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 825,000,000
Senior Notes | 5% Notes due 2028
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 500,000,000	500,000,000
Stated interest rate (as a percent)		5.00%			5.00%
Senior Notes | 7% Notes due 2029
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 1,000,000,000	0
Principal amount	$ 1,000,000,000
Stated interest rate (as a percent)	7.00%	7.00%			7.00%
Percentage of principal amount redeemed	100.00%
Net proceeds from sales of senior notes	$ 990,000
Senior Notes | 47/8% Notes due 2029
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 1,000,000,000	1,000,000,000
Stated interest rate (as a percent)		4.875%			4.875%
Senior Notes | 51/4% Notes due 2030
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 1,300,000,000	1,300,000,000
Stated interest rate (as a percent)		5.25%			5.25%
Senior Notes | 41/2% Notes due 2031
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 1,100,000,000	1,100,000,000
Stated interest rate (as a percent)		4.50%			4.50%
Senior Notes | 5% Notes due 2032
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 750,000,000	750,000,000
Stated interest rate (as a percent)		5.00%			5.00%
Senior Notes | 55/8% Notes due 2032
Debt Instrument [Line Items]
Debt (inclusive of discount)		$ 600,000,000	$ 600,000,000
Stated interest rate (as a percent)		5.625%			5.625%