Notes Payable - Schedule of General (Details) € in Thousands, £ in Thousands, $ in Thousands	Mar. 31, 2026 USD ($)	Mar. 31, 2026 GBP (£)	Mar. 31, 2026 EUR (€)	Jan. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Notes and Bonds Payable
Debt
Total principal amount	$ 25,228,632				$ 25,343,763
Unamortized net discounts and deferred financing costs	(316,720)				(311,816)
Net payable amount	$ 24,911,912				25,031,947
Notes Payable | 5.050% Notes due 2026
Debt
Interest rate (as a percent)	5.05%	5.05%	5.05%
Principal (Currency Denomination)	$ 500,000
Total principal amount	$ 0				500,000
Notes Payable | 0.750% Notes due 2026
Debt
Interest rate (as a percent)	0.75%	0.75%	0.75%
Principal (Currency Denomination)	$ 325,000
Total principal amount	$ 0				325,000
Notes Payable | 4.875% Notes due 2026
Debt
Interest rate (as a percent)	4.875%	4.875%	4.875%
Principal (Currency Denomination)	$ 599,997
Total principal amount	$ 599,997				599,997
Notes Payable | 4.450% Notes due 2026
Debt
Interest rate (as a percent)	4.45%	4.45%	4.45%
Principal (Currency Denomination)	$ 299,968
Total principal amount	$ 299,968				299,968
Notes Payable | 4.125% Notes due 2026
Debt
Interest rate (as a percent)	4.125%	4.125%	4.125%
Principal (Currency Denomination)	$ 650,000
Total principal amount	$ 650,000				650,000
Notes Payable | 1.875% Notes due 2027
Debt
Interest rate (as a percent)	1.875%	1.875%	1.875%
Principal (Currency Denomination) | £		£ 250,000
Total principal amount	$ 330,420				336,400
Notes Payable | 3.000% Notes due 2027
Debt
Interest rate (as a percent)	3.00%	3.00%	3.00%
Principal (Currency Denomination)	$ 600,000
Total principal amount	$ 600,000				600,000
Notes Payable | 3.200% Notes due 2027
Debt
Interest rate (as a percent)	3.20%	3.20%	3.20%
Principal (Currency Denomination)	$ 299,984
Total principal amount	$ 299,984				299,984
Notes Payable | 1.125% Notes due 2027
Debt
Interest rate (as a percent)	1.125%	1.125%	1.125%
Principal (Currency Denomination) | £		£ 400,000
Total principal amount	$ 528,672				538,240
Notes Payable | 3.950% Notes due 2027
Debt
Interest rate (as a percent)	3.95%	3.95%	3.95%
Principal (Currency Denomination)	$ 599,873
Total principal amount	$ 599,873				599,873
Notes Payable | 3.650% Notes due 2028
Debt
Interest rate (as a percent)	3.65%	3.65%	3.65%
Principal (Currency Denomination)	$ 550,000
Total principal amount	$ 550,000				550,000
Notes Payable | 3.400% Notes due 2028
Debt
Interest rate (as a percent)	3.40%	3.40%	3.40%
Principal (Currency Denomination)	$ 599,816
Total principal amount	$ 599,816				599,816
Notes Payable | 2.100% Notes due 2028
Debt
Interest rate (as a percent)	2.10%	2.10%	2.10%
Principal (Currency Denomination)	$ 449,994
Total principal amount	$ 449,994				449,994
Notes Payable | 2.200% Notes due 2028
Debt
Interest rate (as a percent)	2.20%	2.20%	2.20%
Principal (Currency Denomination)	$ 499,959
Total principal amount	$ 499,959				499,959
Notes Payable | 4.700% Notes due 2028
Debt
Interest rate (as a percent)	4.70%	4.70%	4.70%
Principal (Currency Denomination)	$ 400,000
Total principal amount	$ 400,000				400,000
Notes Payable | 3.950% Notes due 2029
Debt
Interest rate (as a percent)	3.95%	3.95%	3.95%
Principal (Currency Denomination)	$ 400,000
Total principal amount	$ 400,000				400,000
Notes Payable | 4.750% Notes due 2029
Debt
Interest rate (as a percent)	4.75%	4.75%	4.75%
Principal (Currency Denomination)	$ 450,000
Total principal amount	$ 450,000				450,000
Notes Payable | 3.250% Notes due 2029
Debt
Interest rate (as a percent)	3.25%	3.25%	3.25%
Principal (Currency Denomination)	$ 500,000
Total principal amount	$ 500,000				500,000
Notes Payable | 4.000% Notes due 2029
Debt
Interest rate (as a percent)	4.00%	4.00%	4.00%
Principal (Currency Denomination)	$ 399,999
Total principal amount	$ 399,999				399,999
Notes Payable | 5.000% Notes due 2029
Debt
Interest rate (as a percent)	5.00%	5.00%	5.00%
Principal (Currency Denomination) | £		£ 350,000
Total principal amount	$ 462,588				470,960
Notes Payable | 3.100% Notes due 2029
Debt
Interest rate (as a percent)	3.10%	3.10%	3.10%
Principal (Currency Denomination)	$ 599,291
Total principal amount	$ 599,291				599,291
Notes Payable | 3.400% Notes due 2030
Debt
Interest rate (as a percent)	3.40%	3.40%	3.40%
Principal (Currency Denomination)	$ 500,000
Total principal amount	$ 500,000				500,000
Notes Payable | 4.850% Notes due 2030
Debt
Interest rate (as a percent)	4.85%	4.85%	4.85%
Principal (Currency Denomination)	$ 600,000
Total principal amount	$ 600,000				600,000
Notes Payable | 3.160% Notes due 2030
Debt
Interest rate (as a percent)	3.16%	3.16%	3.16%
Principal (Currency Denomination) | £		£ 140,000
Total principal amount	$ 185,035				188,384
Notes Payable | 4.875% Notes due 2030
Debt
Interest rate (as a percent)	4.875%	4.875%	4.875%
Principal (Currency Denomination) | €			€ 550,000
Total principal amount	$ 632,742				645,711
Notes Payable | 1.625% Notes due 2030
Debt
Interest rate (as a percent)	1.625%	1.625%	1.625%
Principal (Currency Denomination) | £		£ 400,000
Total principal amount	$ 528,672				538,240
Notes Payable | 3.250% Notes due 2031
Debt
Interest rate (as a percent)	3.25%	3.25%	3.25%
Principal (Currency Denomination)	$ 950,000
Total principal amount	$ 950,000				950,000
Notes Payable | 3.200% Notes due 2031
Debt
Interest rate (as a percent)	3.20%	3.20%	3.20%
Principal (Currency Denomination)	$ 449,995
Total principal amount	$ 449,995				449,995
Notes Payable | 3.375% Notes due 2031
Debt
Interest rate (as a percent)	3.375%	3.375%	3.375%
Principal (Currency Denomination) | €			€ 650,000
Total principal amount	$ 747,786				763,113
Notes Payable | 5.750% Notes due 2031
Debt
Interest rate (as a percent)	5.75%	5.75%	5.75%
Principal (Currency Denomination) | £		£ 300,000
Total principal amount	$ 396,504				403,680
Notes Payable | 2.700% Notes due 2032
Debt
Interest rate (as a percent)	2.70%	2.70%	2.70%
Principal (Currency Denomination)	$ 350,000
Total principal amount	$ 350,000				350,000
Notes Payable | 3.180% Notes due 2032
Debt
Interest rate (as a percent)	3.18%	3.18%	3.18%
Principal (Currency Denomination) | £		£ 345,000
Total principal amount	$ 455,980				464,232
Notes Payable | 5.625% Notes due 2032
Debt
Interest rate (as a percent)	5.625%	5.625%	5.625%
Principal (Currency Denomination)	$ 750,000
Total principal amount	$ 750,000				750,000
Notes Payable | 2.850% Notes due 2032
Debt
Interest rate (as a percent)	2.85%	2.85%	2.85%
Principal (Currency Denomination)	$ 699,655
Total principal amount	$ 699,655				699,655
Notes Payable | 4.500% Notes due 2033
Debt
Interest rate (as a percent)	4.50%	4.50%	4.50%
Principal (Currency Denomination)	$ 400,000
Total principal amount	$ 400,000				400,000
Notes Payable | 1.800% Notes due 2033
Debt
Interest rate (as a percent)	1.80%	1.80%	1.80%
Principal (Currency Denomination)	$ 400,000
Total principal amount	$ 400,000				400,000
Notes Payable | 1.750% Notes due 2033
Debt
Interest rate (as a percent)	1.75%	1.75%	1.75%
Principal (Currency Denomination) | £		£ 350,000
Total principal amount	$ 462,588				470,960
Notes Payable | 4.900% Notes due 2033
Debt
Interest rate (as a percent)	4.90%	4.90%	4.90%
Principal (Currency Denomination)	$ 600,000
Total principal amount	$ 600,000				600,000
Notes Payable | 5.125% Notes due 2034
Debt
Interest rate (as a percent)	5.125%	5.125%	5.125%
Principal (Currency Denomination)	$ 800,000
Total principal amount	$ 800,000				800,000
Notes Payable | 2.730% Notes due 2034
Debt
Interest rate (as a percent)	2.73%	2.73%	2.73%
Principal (Currency Denomination) | £		£ 315,000
Total principal amount	$ 416,329				423,864
Notes Payable | 5.125% Notes due 2034
Debt
Interest rate (as a percent)	5.125%	5.125%	5.125%
Principal (Currency Denomination) | €			€ 550,000
Total principal amount	$ 632,742				645,711
Notes Payable | 5.875% Bonds due 2035
Debt
Interest rate (as a percent)	5.875%	5.875%	5.875%
Principal (Currency Denomination)	$ 250,000
Total principal amount	$ 250,000				250,000
Notes Payable | 5.125% Notes due 2035
Debt
Interest rate (as a percent)	5.125%	5.125%	5.125%
Principal (Currency Denomination)	$ 600,000
Total principal amount	$ 600,000				600,000
Notes Payable | 3.875% Notes due 2035
Debt
Interest rate (as a percent)	3.875%	3.875%	3.875%
Principal (Currency Denomination) | €			€ 650,000
Total principal amount	$ 747,786				763,113
Notes Payable | 3.390% Notes due 2037
Debt
Interest rate (as a percent)	3.39%	3.39%	3.39%
Principal (Currency Denomination) | £		£ 115,000
Total principal amount	$ 151,993				154,744
Notes Payable | 6.000% Notes due 2039
Debt
Interest rate (as a percent)	6.00%	6.00%	6.00%
Principal (Currency Denomination) | £		£ 450,000
Total principal amount	$ 594,756				605,520
Notes Payable | 5.250% Notes due 2041
Debt
Interest rate (as a percent)	5.25%	5.25%	5.25%
Principal (Currency Denomination) | £		£ 350,000
Total principal amount	$ 462,588				470,960
Notes Payable | 2.500% Notes due 2042
Debt
Interest rate (as a percent)	2.50%	2.50%	2.50%
Principal (Currency Denomination) | £		£ 250,000
Total principal amount	$ 330,420				336,400
Notes Payable | 4.650% Notes due 2047
Debt
Interest rate (as a percent)	4.65%	4.65%	4.65%
Principal (Currency Denomination)	$ 550,000
Total principal amount	$ 550,000				550,000
Notes Payable | 5.375% Notes due 2054
Debt
Interest rate (as a percent)	5.375%	5.375%	5.375%
Principal (Currency Denomination)	$ 500,000
Total principal amount	$ 500,000				500,000
Convertible Notes | 3.500% Convertible Notes due 2029
Debt
Interest rate (as a percent)	3.50%	3.50%	3.50%	3.50%
Principal (Currency Denomination)	$ 862,500			$ 862,500
Total principal amount	$ 862,500				$ 0