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v3.21.1

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions | Total | Common Stock | Additional Paid-in Capital | Accum. Other Comprehensive Loss | Retained Income
--- | --- | --- | --- | --- | ---
Balance at Beginning of Year at Dec. 31, 2019 | $ 15,184 | $ 259 | $ 2,209 | $ (491) | $ 13,207
Comprehensive income: |  |  |  |  |
Net income | 381 |  |  |  | 381
Other comprehensive income | 10 |  |  | 10 |
Total comprehensive income | 391 |  |  |  |
Dividends on common stock, | (242) |  |  |  | (242)
Share repurchases | (466) | (2) | (21) |  | (443)
Stock-based compensation | 17 | 1 | 17 |  | (1)
Balance at End of Period at Mar. 31, 2020 | $ 14,884 | 258 | 2,205 | (481) | 12,902
Comprehensive income: |  |  |  |  |
Common stock, dividends, per share, declared (in dollars per share) | $ 0.94 |  |  |  |
Balance at Beginning of Year at Dec. 31, 2020 | $ 14,791 | 254 | 2,248 | (594) | 12,883
Comprehensive income: |  |  |  |  |
Net income | 673 |  |  |  | 673
Other comprehensive income | 8 |  |  | 8 |
Total comprehensive income | 681 |  |  |  |
Dividends on common stock, | (249) |  |  |  | (249)
Share repurchases | (591) | (3) | (19) |  | (569)
Stock-based compensation | 11 |  | 12 |  | (1)
Balance at End of Period at Mar. 31, 2021 | $ 14,643 | $ 251 | $ 2,241 | $ (586) | $ 12,737
Comprehensive income: |  |  |  |  |
Common stock, dividends, per share, declared (in dollars per share) | $ 0.99 |  |  |  |

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