XML 125 R85.htm IDEA: XBRL DOCUMENT v3.24.0.1
Equity - Other Share-based Awards under the SIP (Details) - USD ($)
shares in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Other share-based awards under the SIP      
Amount of Directors' retainer paid in stock $ 150,000    
Total share-based compensation expense included in net income 33,000,000 $ 29,000,000 $ 23,000,000
Restricted Stock Units ("RSUs") | Director      
Other share-based awards under the SIP      
Total share-based compensation expense included in net income $ 2,000,000 $ 2,000,000 $ 2,000,000
Awards outstanding (in shares) 235    
Carrying value of share units outstanding $ 15,000,000    
Restricted Stock Units ("RSUs") | Director | Minimum      
Other share-based awards under the SIP      
Minimum period over which deferred shares may be transferred after director's termination of service 6 months    
Restricted Stock Units ("RSUs") | Director | Maximum      
Other share-based awards under the SIP      
Minimum period over which deferred shares may be transferred after director's termination of service 10 years 6 months