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Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) - USD ($)
$ in Millions
Total
Common Stock
Additional Paid-in Capital
Accum. Other Comprehensive Loss
Retained Income
Balance at Beginning of Year at Dec. 31, 2021 $ 13,641 $ 242 $ 2,215 $ (402) $ 11,586
Comprehensive income:          
Net income 703       703
Other comprehensive income (loss) 8     8  
Total comprehensive income 711        
Dividends on common stock, (297)       (297)
Share repurchases (600) (2) (19)   (579)
Stock-based compensation 6   7   (1)
Balance at End of Period at Mar. 31, 2022 13,461 240 2,203 (394) 11,412
Balance at Beginning of Year at Dec. 31, 2021 13,641 242 2,215 (402) 11,586
Comprehensive income:          
Net income 1,522        
Other comprehensive income (loss) 14        
Total comprehensive income 1,536        
Share repurchases (1,500)        
Balance at End of Period at Jun. 30, 2022 13,154 236 2,190 (388) 11,116
Balance at Beginning of Year at Mar. 31, 2022 13,461 240 2,203 (394) 11,412
Comprehensive income:          
Net income 819       819
Other comprehensive income (loss) 6     6  
Total comprehensive income 825        
Dividends on common stock, (294)       (294)
Share repurchases (854) (4) (29)   (821)
Stock-based compensation 16   16    
Balance at End of Period at Jun. 30, 2022 13,154 236 2,190 (388) 11,116
Balance at Beginning of Year at Dec. 31, 2022 12,733 230 2,157 (351) 10,697
Comprehensive income:          
Net income 466       466
Other comprehensive income (loss) (4)     (4)  
Total comprehensive income 462        
Dividends on common stock, (307)       (307)
Share repurchases (163) (1) (6)   (156)
Stock-based compensation 2   4   (2)
Balance at End of Period at Mar. 31, 2023 12,727 229 2,155 (355) 10,698
Balance at Beginning of Year at Dec. 31, 2022 12,733 230 2,157 (351) 10,697
Comprehensive income:          
Net income 822        
Other comprehensive income (loss) (8)        
Total comprehensive income 814        
Share repurchases (303)        
Balance at End of Period at Jun. 30, 2023 12,640 228 2,160 (359) 10,611
Balance at Beginning of Year at Mar. 31, 2023 12,727 229 2,155 (355) 10,698
Comprehensive income:          
Net income 356       356
Other comprehensive income (loss) (4)     (4)  
Total comprehensive income 352        
Dividends on common stock, (308)       (308)
Share repurchases (140) (1) (4)   (135)
Stock-based compensation 9   9    
Balance at End of Period at Jun. 30, 2023 $ 12,640 $ 228 $ 2,160 $ (359) $ 10,611