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SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Changes in shares of common stock, treasury stock and common stock held in trust for employee benefit plans | Changes in shares of common stock, treasury stock and common stock held in trust for employee benefit plans were as follows:
In millions |  | Common Stock |  | Treasury Stock |  | Common Stock Held in Trust
Balance at December 31, 2018 |  | 222.4 |  |  | 64.4 |  |  | 0.4 |
Shares acquired |  | — |  |  | 8.1 |  |  | — |
Shares issued |  | — |  |  | (0.8) |  |  | (0.2) |
Balance at December 31, 2019 |  | 222.4 |  |  | 71.7 |  |  | 0.2 |
Shares acquired |  | — |  |  | 3.9 |  |  | — |
Shares issued |  | — |  |  | (0.8) |  |  | (0.2) |
Balance at December 31, 2020 |  | 222.4 |  |  | 74.8 |  |  | — |
Shares acquired |  | — |  |  | 5.7 |  |  | — |
Shares issued |  | 0.1 |  |  | (0.5) |  |  | — |
Balance at December 31, 2021 |  | 222.5 |  |  | 80.0 |  |  | — |
Repurchases of common stock | For the year ended December 31, 2021, we made the following purchases under the stock repurchase program:
In millions (except per share amounts) For each quarter ended |  | Shares Purchased |  | Average Cost Per Share |  | Total Cost of Repurchases |  |  |  | Remaining Authorized Capacity (1)
April 4 |  | 1.7 |  |  | $ | 247.35 |  |  | $ | 418 |  |  |  |  | $ | 1,576 |
July 4 |  | 2.7 |  |  | 252.66 |  |  | 672 |  |  |  |  | 904 |
October 3 |  | 0.6 |  |  | 231.57 |  |  | 138 |  |  |  |  | 766 |
December 31 |  | 0.7 |  |  | 222.14 |  |  | 174 |  |  |  |  | 2,592 |
Total |  | 5.7 |  |  | 244.73 |  |  | $ | 1,402 |  |  |  |  |
(1) The remaining $592 million authorized capacity under the 2019 plan was calculated based on the cost to purchase the shares, but excludes commission expenses in accordance with the authorized plan.
Dividends per share paid to common shareholders | Cash dividends per share paid to common shareholders for the last three years were as follows:
|  | Quarterly Dividends
|  | 2021 |  | 2020 |  | 2019
First quarter |  | $ | 1.35 |  |  | $ | 1.311 |  |  | $ | 1.14 |
Second quarter |  | 1.35 |  |  | 1.311 |  |  | 1.14 |
Third quarter |  | 1.45 |  |  | 1.311 |  |  | 1.311 |
Fourth quarter |  | 1.45 |  |  | 1.35 |  |  | 1.311 |
Total |  | $ | 5.60 |  |  | $ | 5.28 |  |  | $ | 4.90 |

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- Definition Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21553-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21538-112644 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21521-112644 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21488-112644 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644 Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21484-112644 Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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