Fair Value Measurements (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Assets:
Derivative instruments, Assets	$ 427	$ 257
Liabilities:
Derivative instruments, Liabilities	59	101
Fair Value, Recurring
Assets:
Loan receivable	213	0
Derivative instruments, Assets	427	257
Total	2,160	1,861
Liabilities:
Derivative instruments, Liabilities	59	101
Mortgage and loans payable	669	684
Senior notes	12,192	11,740
Total	12,920	12,525
Money market and deposit accounts | Fair Value, Recurring
Assets:
Cash and cash equivalents	1,520	1,604
Level 1 | Fair Value, Recurring
Assets:
Loan receivable	0	0
Derivative instruments, Assets	0	0
Total	1,520	1,604
Liabilities:
Derivative instruments, Liabilities	0	0
Mortgage and loans payable	0	0
Senior notes	11,720	11,166
Total	11,720	11,166
Level 1 | Money market and deposit accounts | Fair Value, Recurring
Assets:
Cash and cash equivalents	1,520	1,604
Level 2 | Fair Value, Recurring
Assets:
Loan receivable	0	0
Derivative instruments, Assets	427	257
Total	427	257
Liabilities:
Derivative instruments, Liabilities	59	101
Mortgage and loans payable	669	684
Senior notes	472	574
Total	1,200	1,359
Level 2 | Money market and deposit accounts | Fair Value, Recurring
Assets:
Cash and cash equivalents	0	0
Level 3 | Fair Value, Recurring
Assets:
Loan receivable	213	0
Derivative instruments, Assets	0	0
Total	213	0
Liabilities:
Derivative instruments, Liabilities	0	0
Mortgage and loans payable	0	0
Senior notes	0	0
Total	0	0
Level 3 | Money market and deposit accounts | Fair Value, Recurring
Assets:
Cash and cash equivalents	$ 0	$ 0