XML 65 R55.htm IDEA: XBRL DOCUMENT v3.23.1
Fair Value (Carrying amount and estimated fair value of financial instrument assets and liabilities which are not measured at fair value) (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Assets    
Mortgage loans $ 1,006 $ 1,040 [1]
Liabilities    
Long term debt 2,539 2,538 [1]
Carrying Amount    
Assets    
Mortgage loans 1,006 1,040
Liabilities    
Short term debt 243 243
Long term debt 2,539 2,538
Estimated Fair Value    
Assets    
Mortgage loans 958 973
Liabilities    
Short term debt 245 248
Long term debt 2,387 2,349
Level 1 | Estimated Fair Value    
Assets    
Mortgage loans 0 0
Liabilities    
Short term debt 0 0
Long term debt 0 0
Level 2 | Estimated Fair Value    
Assets    
Mortgage loans 0 0
Liabilities    
Short term debt 245 248
Long term debt 2,387 2,349
Level 3 | Estimated Fair Value    
Assets    
Mortgage loans 958 973
Liabilities    
Short term debt 0 0
Long term debt $ 0 $ 0
[1] As of January 1, 2023, the Company adopted ASU 2018-12 using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.