Debt and Borrowing Arrangements - Uncommitted and Committed Credit Lines Available (Details) - USD ($)		Feb. 19, 2025	Dec. 31, 2025		Dec. 31, 2024
Debt Instrument [Line Items]
Borrowed Amount			$ 2,688,000,000		$ 71,000,000
Line of Credit | February 19, 2025
Debt Instrument [Line Items]
Facility Amount		$ 1,500,000,000
Debt Instrument, Term		364 days
Line of Credit | February 18, 2026
Debt Instrument [Line Items]
Facility Amount		$ 1,500,000,000	1,500,000,000	[1]	0	[1]
Borrowed Amount	[1]		0		0
Debt Instrument, Term		364 days
Line of Credit | February 23, 2027
Debt Instrument [Line Items]
Facility Amount		$ 4,500,000,000	0	[1]	4,500,000,000	[1]
Borrowed Amount	[1]		0		0
Debt Instrument, Term		5 years
Line of Credit | February 19, 2030
Debt Instrument [Line Items]
Facility Amount		$ 4,500,000,000	4,500,000,000	[1]	0	[1]
Borrowed Amount	[1]		0		0
Debt Instrument, Term		5 years
Line of Credit
Debt Instrument [Line Items]
Borrowed Amount			74,000,000		71,000,000
Line of Credit | Uncommitted credit facilities
Debt Instrument [Line Items]
Facility Amount			882,000,000		784,000,000
Borrowed Amount			71,000,000		71,000,000
Line of Credit | February 19, 2025
Debt Instrument [Line Items]
Facility Amount	[1]		0		1,500,000,000
Borrowed Amount	[1]		$ 0		$ 0

[1] On February 19, 2025, our $1.5 billion 364-day senior unsecured revolving credit agreement dated as of February 21, 2024 expired and we entered into a $1.5 billion 364-day senior unsecured revolving credit agreement that will expire on February 18, 2026. Additionally, we early terminated our $4.5 billion five-year senior unsecured revolving credit agreement dated as of February 23, 2022, and entered into a $4.5 billion five-year senior unsecured revolving credit agreement that will expire on February 19, 2030.