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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Income Tax Disclosure [Abstract] |
Schedule of Income Tax Provision | The income tax provision for continuing operations consisted of the following for the years ended December 31, 2022, 2021 and 2020:
In millions | 2022 |  | 2021 |  | 2020
Current: |  |  |  |  |
Federal | $ | 2,803 |  |  | $ | 2,285 |  |  | $ | 2,615 |
State | 735 |  |  | 665 |  |  | 518 |
| 3,538 |  |  | 2,950 |  |  | 3,133 |
Deferred: |  |  |  |  |
Federal | (1,569) |  |  | (306) |  |  | (450) |
State | (506) |  |  | (122) |  |  | (114) |
| (2,075) |  |  | (428) |  |  | (564) |
Total | $ | 1,463 |  |  | $ | 2,522 |  |  | $ | 2,569 |
Schedule of Effective Income Tax Rate Reconciliation | The following table is a reconciliation of the statutory income tax rate to the Company’s effective income tax rate for continuing operations for the years ended December 31, 2022, 2021 and 2020:
| 2022 |  | 2021 |  | 2020
Statutory income tax rate | 21.0 | % |  | 21.0 | % |  | 21.0 | %
State income taxes, net of federal tax benefit | 3.2 |  |  | 4.1 |  |  | 3.2 |
Health insurer fee | — |  |  | — |  |  | 2.2 |
Legal charges | 3.5 |  |  | — |  |  | — |
Basis difference upon disposition of subsidiary | 1.7 |  |  | — |  |  | (1.2) |
Prior year refunds and unrecognized tax benefits | (2.7) |  |  | (1.2) |  |  | — |
Other | (0.7) |  |  | 0.3 |  |  | 1.1 |
Effective income tax rate | 26.0 | % |  | 24.2 | % |  | 26.3 | %
Schedule of Deferred Tax Assets and Liabilities | The following table is a summary of the components of the Company’s deferred income tax assets and liabilities as of December 31, 2022 and 2021:
In millions | 2022 |  | 2021
Deferred income tax assets: |  |  |
Lease and rents | $ | 5,242 |  |  | $ | 5,563 |
Legal charges | 1,260 |  |  | 19 |
Inventory | 103 |  |  | 99 |
Employee benefits | 153 |  |  | 193 |
Bad debts and other allowances | 480 |  |  | 489 |
Net operating loss and capital loss carryforwards | 266 |  |  | 416 |
Deferred income | 66 |  |  | 78 |
Insurance reserves | 455 |  |  | 501 |
Investments | 293 |  |  | — |
Payroll tax deferral | — |  |  | 87 |
Other | 335 |  |  | 377 |
Valuation allowance | (532) |  |  | (325) |
Total deferred income tax assets (1) | 8,121 |  |  | 7,497 |
Deferred income tax liabilities: |  |  |
Retirement benefits | (92) |  |  | (105) |
Investments | — |  |  | (334) |
Lease and rents | (4,639) |  |  | (4,947) |
Depreciation and amortization | (7,139) |  |  | (8,381) |
Total deferred income tax liabilities | (11,870) |  |  | (13,767) |
Net deferred income tax liabilities | $ | (3,749) |  |  | $ | (6,270) |
_____________________________________________ (1)Includes deferred income tax assets of $131 million which have been accounted for as assets held for sale and are included in assets held for sale on the consolidated balance sheet at December 31, 2022. See Note 2 ‘‘Acquisitions, Divestitures and Asset Sales’’ for additional information.
Schedule of Unrecognized Tax Benefits Rollforward | A reconciliation of the beginning and ending balance of unrecognized tax benefits in 2022, 2021 and 2020 is as follows:
In millions | 2022 |  | 2021 |  | 2020
Beginning balance | $ | 782 |  |  | $ | 768 |  |  | $ | 655 |
Additions based on tax positions related to the current year | 5 |  |  | 3 |  |  | 3 |
Additions based on tax positions related to prior years | 42 |  |  | 52 |  |  | 182 |
Reductions for tax positions of prior years | (166) |  |  | (33) |  |  | (56) |
Expiration of statutes of limitation | (4) |  |  | (1) |  |  | (2) |
Settlements | (213) |  |  | (7) |  |  | (14) |
Ending balance | $ | 446 |  |  | $ | 782 |  |  | $ | 768 |

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