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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Treasury Shares | Paid-In Capital | Accumulated Other Comprehensive Income | Retained Earnings
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2021 |  | 893 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2021 |  |  | 79 |  |  |
Balance at beginning of period at Dec. 31, 2021 | $ 11,738 | $ 89 | $ (1,826) | $ 10,911 | $ 1 | $ 2,563
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 608 |  |  |  |  | 608
Exercise of stock options | 6 |  |  | 6 |  |
Stock amortization and vesting | 10 |  |  | 10 |  |
Common stock repurchases (in shares) |  |  | 8 |  |  |
Common stock repurchases | (192) |  | $ (192) |  |  |
Common stock cash dividends | (455) |  |  |  |  | (455)
Preferred stock cash dividends | (1) |  |  |  |  | (1)
Other comprehensive (loss) income | 4 |  |  |  | 4 |
Ending balance (in shares) at Mar. 31, 2022 |  | 893 |  |  |  |
Ending balance (in shares) at Mar. 31, 2022 |  |  | 87 |  |  |
Balance at end of period at Mar. 31, 2022 | 11,718 | $ 89 | $ (2,018) | 10,927 | 5 | 2,715
Beginning balance (in shares) at Dec. 31, 2021 |  | 893 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2021 |  |  | 79 |  |  |
Balance at beginning of period at Dec. 31, 2021 | 11,738 | $ 89 | $ (1,826) | 10,911 | 1 | 2,563
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | $ 3,033 |  |  |  |  |
Common stock repurchases (in shares) | (28) |  |  |  |  |
Common stock repurchases | $ (740) |  |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  | 895 |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  |  | 107 |  |  |
Balance at end of period at Sep. 30, 2022 | 12,659 | $ 90 | $ (2,566) | 10,992 | 6 | 4,137
Beginning balance (in shares) at Mar. 31, 2022 |  | 893 |  |  |  |
Beginning balance (in shares) at Mar. 31, 2022 |  |  | 87 |  |  |
Balance at beginning of period at Mar. 31, 2022 | 11,718 | $ 89 | $ (2,018) | 10,927 | 5 | 2,715
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 1,229 |  |  |  |  | 1,229
Exercise of stock options | 3 |  |  | 3 |  |
Stock amortization and vesting | 18 |  |  | 18 |  |
Conversion of Cimarex redeemable preferred stock (in shares) |  | 1 |  |  |  |
Conversion of Cimarex redeemable preferred stock | 28 |  |  | 28 |  |
Common stock repurchases (in shares) |  |  | 12 |  |  |
Common stock repurchases | (321) |  | $ (321) |  |  |
Common stock cash dividends | (484) |  |  |  |  | (484)
Ending balance (in shares) at Jun. 30, 2022 |  | 894 |  |  |  |
Ending balance (in shares) at Jun. 30, 2022 |  |  | 99 |  |  |
Balance at end of period at Jun. 30, 2022 | 12,191 | $ 89 | $ (2,339) | 10,976 | 5 | 3,460
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 1,196 |  |  |  |  | 1,196
Exercise of stock options | 2 |  |  | 2 |  |
Stock amortization and vesting (in shares) |  | 1 |  |  |  |
Stock amortization and vesting | 15 | $ 1 |  | 14 |  |
Common stock repurchases (in shares) |  |  | 8 |  |  |
Common stock repurchases | (227) |  | $ (227) |  |  |
Common stock cash dividends | (519) |  |  |  |  | (519)
Other comprehensive (loss) income | 1 |  |  |  | 1 |
Ending balance (in shares) at Sep. 30, 2022 |  | 895 |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  |  | 107 |  |  |
Balance at end of period at Sep. 30, 2022 | 12,659 | $ 90 | $ (2,566) | 10,992 | 6 | 4,137
Beginning balance (in shares) at Dec. 31, 2022 |  | 768 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2022 |  |  | 0 |  |  |
Balance at beginning of period at Dec. 31, 2022 | 12,659 | $ 77 | $ 0 | 7,933 | 13 | 4,636
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 677 |  |  |  |  | 677
Stock amortization and vesting | 13 |  |  | 13 |  |
Conversion of Cimarex redeemable preferred stock | 3 |  |  | 3 |  |
Common stock repurchases (in shares) |  |  | 11 |  |  |
Common stock repurchases | (271) |  | $ (271) |  |  |
Common stock retirements (in shares) |  | (11) | (11) |  |  |
Common stock retirements | 0 | $ (1) | $ 271 | (270) |  |
Common stock cash dividends | (438) |  |  |  |  | (438)
Ending balance (in shares) at Mar. 31, 2023 |  | 757 |  |  |  |
Ending balance (in shares) at Mar. 31, 2023 |  |  | 0 |  |  |
Balance at end of period at Mar. 31, 2023 | 12,643 | $ 76 | $ 0 | 7,679 | 13 | 4,875
Beginning balance (in shares) at Dec. 31, 2022 |  | 768 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2022 |  |  | 0 |  |  |
Balance at beginning of period at Dec. 31, 2022 | 12,659 | $ 77 | $ 0 | 7,933 | 13 | 4,636
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 1,209 |  |  |  |  |
Ending balance (in shares) at Sep. 30, 2023 |  | 753 |  |  |  |
Ending balance (in shares) at Sep. 30, 2023 |  |  | 0 |  |  |
Balance at end of period at Sep. 30, 2023 | 12,789 | $ 75 | $ 0 | 7,601 | 12 | 5,101
Beginning balance (in shares) at Mar. 31, 2023 |  | 757 |  |  |  |
Beginning balance (in shares) at Mar. 31, 2023 |  |  | 0 |  |  |
Balance at beginning of period at Mar. 31, 2023 | 12,643 | $ 76 | $ 0 | 7,679 | 13 | 4,875
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 209 |  |  |  |  | 209
Stock amortization and vesting | 17 |  |  | 17 |  |
Common stock repurchases (in shares) |  |  | 2 |  |  |
Common stock repurchases | (57) |  | $ (57) |  |  |
Common stock retirements (in shares) |  | (2) | (2) |  |  |
Common stock retirements | 0 |  | $ 57 | (57) |  |
Common stock cash dividends | (153) |  |  |  |  | (153)
Ending balance (in shares) at Jun. 30, 2023 |  | 755 |  |  |  |
Ending balance (in shares) at Jun. 30, 2023 |  |  | 0 |  |  |
Balance at end of period at Jun. 30, 2023 | 12,659 | $ 76 | $ 0 | 7,639 | 13 | 4,931
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 323 |  |  |  |  | 323
Stock amortization and vesting | 21 |  |  | 21 |  |
Common stock repurchases (in shares) |  |  | 2 |  |  |
Common stock repurchases | (60) |  | $ (60) |  |  |
Common stock retirements (in shares) |  | (2) | (2) |  |  |
Common stock retirements | 0 | $ (1) | $ 60 | (59) |  |
Common stock cash dividends | (153) |  |  |  |  | (153)
Other comprehensive (loss) income | (1) |  |  |  | (1) |
Ending balance (in shares) at Sep. 30, 2023 |  | 753 |  |  |  |
Ending balance (in shares) at Sep. 30, 2023 |  |  | 0 |  |  |
Balance at end of period at Sep. 30, 2023 | $ 12,789 | $ 75 | $ 0 | $ 7,601 | $ 12 | $ 5,101

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