| Schedule of Changes in Equity |
| | | | | | | | | | | | | | | | | | | | | | | | Millions of Dollars | | | | | | | | | Common Stock | | | | | | | Par Value | Capital in Excess of Par | Treasury Stock | Accum. Other Comprehensive Income (Loss) | Retained Earnings | Total | | | For the three months ended June 30, 2025 | | | | | | | | | | Balances at March 31, 2025 | $ | 23 | | 77,554 | | (72,666) | | (6,394) | | 66,721 | | 65,238 | | | | | Net income (loss) | | | | | 1,971 | | 1,971 | | | | | Other comprehensive income (loss) | | | | 492 | | | 492 | | | | | Dividends declared | | | | | | | | | Ordinary ($0.78 per common share) | | | | | (984) | | (984) | | | | | | | | | | | | | | Repurchase of company common stock | | | (1,222) | | | | (1,222) | | | | | Excise tax on share repurchases | | | (12) | | | | (12) | | | | | Distributed under benefit plans | | 89 | | | | | 89 | | | | | Other | | | | 1 | | | (1) | | — | | | | | Balances at June 30, 2025 | $ | 23 | | 77,643 | | (73,899) | | (5,902) | | 67,707 | | 65,572 | | | | | | | | | | | | | For the six months ended June 30, 2025 | | | | | | | | | Balances at December 31, 2024 | $ | 23 | | 77,529 | | (71,152) | | (6,473) | | 64,869 | | 64,796 | | | | Net income (loss) | | | | | 4,820 | | 4,820 | | | | Other comprehensive income (loss) | | | | 571 | | | 571 | | | | | Dividends declared | | | | | | | | | Ordinary ($1.56 per common share) | | | | | (1,982) | | (1,982) | | | | | | | | | | | | | Repurchase of company common stock | | | (2,722) | | | | (2,722) | | | | | Excise tax on share repurchases | | | (25) | | | | (25) | | | | Distributed under benefit plans | | 114 | | | | | 114 | | | | | | | | | | | | | Balances at June 30, 2025 | $ | 23 | | 77,643 | | (73,899) | | (5,902) | | 67,707 | | 65,572 | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Millions of Dollars | | Common Stock | | | | | Par Value | Capital in Excess of Par | Treasury Stock | Accum. Other Comprehensive Income (Loss) | Retained Earnings | Total | For the three months ended June 30, 2024 | | | | | | | | Balances at March 31, 2024 | $ | 21 | | 61,300 | | (66,974) | | (5,917) | | 60,895 | | 49,325 | | | Net income (loss) | | | | | 2,329 | | 2,329 | | | Other comprehensive income (loss) | | | | (44) | | | (44) | | | Dividends declared | | | | | | | Ordinary ($0.58 per common share) | | | | | (680) | | (680) | | Variable return of cash ($0.20 per common share) | | | | | (235) | | (235) | | | Repurchase of company common stock | | | (1,021) | | | | (1,021) | | | Excise tax on share repurchases | | | (10) | | | | (10) | | Distributed under benefit plans | | 81 | | | | | 81 | | | | | | | | | Balances at June 30, 2024 | $ | 21 | | 61,381 | | (68,005) | | (5,961) | | 62,309 | | 49,745 | | | | | | | | | For the six months ended June 30, 2024 | | | | | | | Balances at December 31, 2023 | $ | 21 | | 61,303 | | (65,640) | | (5,673) | | 59,268 | | 49,279 | | Net income (loss) | | | | | 4,880 | | 4,880 | | Other comprehensive income (loss) | | | | (288) | | | (288) | | | Dividends declared | | | | | | | Ordinary ($1.16 per common share) | | | | | (1,368) | | (1,368) | | Variable return of cash ($0.40 per common share) | | | | | (471) | | (471) | | Repurchase of company common stock | | | (2,346) | | | | (2,346) | | | Excise tax on share repurchases | | | (19) | | | | (19) | | Distributed under benefit plans | | 78 | | | | | 78 | | | | | | | | | Balances at June 30, 2024 | $ | 21 | | 61,381 | | (68,005) | | (5,961) | | 62,309 | | 49,745 | |
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