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Capital Stock - Narrative (Details)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
anniversary
$ / shares
shares
Jun. 30, 2023
$ / shares
Mar. 31, 2023
$ / shares
Dec. 31, 2022
$ / shares
Sep. 30, 2022
$ / shares
Jun. 30, 2022
$ / shares
Mar. 31, 2022
$ / shares
Sep. 30, 2023
USD ($)
anniversary
$ / shares
shares
Dec. 31, 2022
shares
Jan. 31, 2023
USD ($)
Capital Stock [Line Items]                    
Authorized amount | $                   $ 300
Stock repurchased during period (in shares) | shares 1,900             2,800    
Stock repurchased during period, average price per share (in dollars per share) | $ / shares $ 26.71             $ 24.86    
Common stock, dividends, per share, declared (in usd per share) | $ / shares $ 0.225 $ 0.225 $ 0.225 $ 0.20 $ 0.20 $ 0.20 $ 0.20      
Performance Based RSUs Equity Settled | Minimum                    
Capital Stock [Line Items]                    
Payout percentage of target award               0.00%    
2021 Award Year | Performance Based RSUs Equity Settled                    
Capital Stock [Line Items]                    
Performance period, performance-based RSUs               3 years    
2021 Award Year | Performance Based RSUs Equity Settled | Maximum                    
Capital Stock [Line Items]                    
Payout percentage of target award               200.00%    
2021 Award Year | Performance Based RSUs Equity Settled | Minimum                    
Capital Stock [Line Items]                    
Cliff-vesting period               1 year    
2021 Award Year | Timed-Vested RSUs Equity Settled                    
Capital Stock [Line Items]                    
Number of anniversaries of the grant date | anniversary 3             3    
2021 Award Year | Timed-Vested RSUs Equity Settled | Minimum                    
Capital Stock [Line Items]                    
Cliff-vesting period               1 year    
Total of 3Q19, 1Q20, and 3Q21 Repurchase Programs                    
Capital Stock [Line Items]                    
Stock repurchased during period (in shares) | shares               2,817 19,506  
Remaining authorized repurchase amount | $ $ 230             $ 230