v3.25.4
Fair Value Measurements (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Assets:    
U.S. government securities $ 256 $ 0
Loan receivable 351 280
Derivative instruments 255 591
Total 3,466 3,914
Liabilities:    
Derivative instruments 229 72
Mortgage and loans payable 706 654
Senior notes 17,297 13,342
Total 18,232 14,068
Money market funds    
Assets:    
Cash and cash equivalents 1,333 2,401
Time deposits    
Assets:    
Cash and cash equivalents 1,271 642
Level 1    
Assets:    
U.S. government securities 0 0
Loan receivable 0 0
Derivative instruments 0 0
Total 1,333 2,516
Liabilities:    
Derivative instruments 0 0
Mortgage and loans payable 0 0
Senior notes 16,847 12,851
Total 16,847 12,851
Level 1 | Money market funds    
Assets:    
Cash and cash equivalents 1,333 2,401
Level 1 | Time deposits    
Assets:    
Cash and cash equivalents 0 115
Level 2    
Assets:    
U.S. government securities 256 0
Loan receivable 0 0
Derivative instruments 255 591
Total 1,782 1,118
Liabilities:    
Derivative instruments 229 72
Mortgage and loans payable 706 654
Senior notes 450 491
Total 1,385 1,217
Level 2 | Money market funds    
Assets:    
Cash and cash equivalents 0 0
Level 2 | Time deposits    
Assets:    
Cash and cash equivalents 1,271 527
Level 3    
Assets:    
U.S. government securities 0 0
Loan receivable 351 280
Derivative instruments 0 0
Total 351 280
Liabilities:    
Derivative instruments 0 0
Mortgage and loans payable 0 0
Senior notes 0 0
Total 0 0
Level 3 | Money market funds    
Assets:    
Cash and cash equivalents 0 0
Level 3 | Time deposits    
Assets:    
Cash and cash equivalents $ 0 $ 0