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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2021
Stockholders' Equity Note [Abstract] |
Schedule of shares of common stock | The following table summarizes total shares of common stock outstanding:
| December 31
Millions of shares | 2021 | 2020
Issued | 1,066 |  | 1,066 |
In treasury | (170) |  | (181) |
Total shares of common stock outstanding | 896 |  | 885 |
Schedule of accumulated other comprehensive income (loss) | Accumulated other comprehensive loss consisted of the following:
|  | December 31
Millions of dollars | 2021 | 2020
Cumulative translation adjustment | $ | (85) |  | $ | (83) |
Defined benefit and other postretirement liability adjustments (a) | (47) |  | (226) |
Other | (51) |  | (53) |
Total accumulated other comprehensive loss | $ | (183) |  | $ | (362) |
(a) | Included net actuarial losses for our international pension plans of $49 million at December 31, 2021 and $212 million at December 31, 2020.

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