Derivative Financial Instruments - Summary of Outstanding Fair Value Hedges (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Derivative [Line Items]
Outstanding Notional Amount	$ 7,161	$ 6,926
Hedging instruments
Derivative [Line Items]
Outstanding Notional Amount	7,126	6,797
Hedging instruments | Interest rate swaps
Derivative [Line Items]
Outstanding Notional Amount	6,875	6,475
Hedging instruments | 4.600% Interest Rate Swap Due 2032
Derivative [Line Items]
Outstanding Notional Amount	$ 150	$ 0
Interest Rate Received	4.60%	4.60%
Hedging instruments | 5.000% Interest Rate Swap Due 2035
Derivative [Line Items]
Outstanding Notional Amount	$ 250	$ 0
Interest Rate Received	5.00%
Hedging instruments | 5.500% Interest Rate Swap Due 2032
Derivative [Line Items]
Outstanding Notional Amount	$ 200	$ 200
Interest Rate Received	5.50%	5.50%
Hedging instruments | 4.750% Interest Rate Swap Due 2032
Derivative [Line Items]
Outstanding Notional Amount	$ 1,000	$ 1,000
Interest Rate Received	4.75%	4.75%
Hedging instruments | 5.150% Interest Rate Swap Due 2028
Derivative [Line Items]
Outstanding Notional Amount	$ 600	$ 600
Interest Rate Received	5.15%	5.15%
Hedging instruments | 5.380% Interest Rate Swap Due 2033
Derivative [Line Items]
Outstanding Notional Amount	$ 1,000	$ 1,000
Interest Rate Received	5.38%	5.38%
Hedging instruments | 4.750% Interest Rate Swap Due 2029
Derivative [Line Items]
Outstanding Notional Amount	$ 750	$ 750
Interest Rate Received	4.75%	4.75%
Hedging instruments | 4.950% Interest Rate Swap Due 2031
Derivative [Line Items]
Outstanding Notional Amount	$ 750	$ 750
Interest Rate Received	4.95%	4.95%
Hedging instruments | 5.200% Interest Rate Swap Due 2034
Derivative [Line Items]
Outstanding Notional Amount	$ 1,200	$ 1,200
Interest Rate Received	5.20%	5.20%
Hedging instruments | 5.500% Interest Rate Swap Due 2032
Derivative [Line Items]
Outstanding Notional Amount	$ 300	$ 300
Interest Rate Received	5.50%	5.50%
Hedging instruments | 2.550% Interest Rate Swap Due 2030
Derivative [Line Items]
Outstanding Notional Amount	$ 150	$ 150
Interest Rate Received	2.55%	2.55%
Hedging instruments | 4.100% Interest Rate Swap Due 2027
Derivative [Line Items]
Outstanding Notional Amount	$ 125	$ 125
Interest Rate Received	4.10%	4.10%
Hedging instruments | 2.250% Interest Rate Swap Due 2029
Derivative [Line Items]
Outstanding Notional Amount	$ 100	$ 100
Interest Rate Received	2.25%	2.25%
Hedging instruments | 5.500% Interest Rate Swap Due 2032
Derivative [Line Items]
Outstanding Notional Amount	$ 150	$ 150
Interest Rate Received	5.50%	5.50%
Hedging instruments | 4.100% Interest Rate Swap Due 2027 - 2
Derivative [Line Items]
Outstanding Notional Amount	$ 75	$ 75
Interest Rate Received	4.10%	4.10%
Hedging instruments | 2.250% Interest Rate Swap Due 2029
Derivative [Line Items]
Outstanding Notional Amount	$ 75	$ 75
Interest Rate Received	2.25%	2.25%