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6. Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Income Tax Disclosure [Abstract] |
U.S. and international components of income before taxes [Table Text Block] | The U.S. and international components of income before taxes are as follows (in millions):
|  | Year Ended December 31,
|  | 2022 |  | 2021 |  | 2020
U.S. |  | $ | (2,403.4) |  |  | $ | 2,941.8 |  |  | $ | 2,350.1 |
International |  | (2,300.9) |  |  | 2,507.3 |  |  | 2,567.9 |
Income (loss) before taxes |  | $ | (4,704.3) |  |  | $ | 5,449.1 |  |  | $ | 4,918.0 |
Provision for income taxes [Table Text Block] | The (benefit from) provision for income taxes consists of the following (in millions):
|  | Year Ended December 31,
|  | 2022 |  | 2021 |  | 2020
Current tax expense: |  |  |  |  |  |
U.S. Federal |  | $ | 112.8 |  |  | $ | 72.4 |  |  | $ | 69.9 |
State |  | 20.1 |  |  | 9.2 |  |  | 12.0 |
International |  | 24.1 |  |  | 32.6 |  |  | 22.3 |
Current tax expense |  | 157.0 |  |  | 114.2 |  |  | 104.2 |
Deferred tax (benefit) expense: |  |  |  |  |  |
U.S. Federal |  | (1,121.3) |  |  | 983.5 |  |  | 895.6 |
State |  | (83.6) |  |  | 69.3 |  |  | 54.3 |
International |  | (36.7) |  |  | 32.1 |  |  | 31.5 |
Deferred tax expense |  | (1,241.6) |  |  | 1,084.9 |  |  | 981.4 |
Non-current tax expense (benefit) |  | 7.9 |  |  | (4.3) |  |  | 18.2 |
(Benefit from) provision for income taxes |  | $ | (1,076.7) |  |  | $ | 1,194.8 |  |  | $ | 1,103.8 |
Reconcilation of effective tax rate on inocme before taxes and statutory rate [Table Text Block] | The reconciliation between our effective tax rate on income before taxes and the statutory tax rate is as follows:
|  | Year Ended December 31,
|  | 2022 |  | 2021 |  | 2020
U. S. statutory tax rate |  | 21.0 | % |  | 21.0 | % |  | 21.0 | %
Impact of foreign operations |  | (10.0) |  |  | (8.6) |  |  | (9.8) |
U.S. taxation of foreign income |  | 10.5 |  |  | 8.9 |  |  | 10.1 |
State taxes |  | 1.1 |  |  | 1.3 |  |  | 1.1 |
Other |  | 0.3 |  |  | (0.7) |  |  | — |
Provision (benefit) for income taxes |  | 22.9 | % |  | 21.9 | % |  | 22.4 | %
Significant components of deferred tax assets and liabilities [Table Text Block] | Deferred tax assets and liabilities reflect the tax effects of losses, credits, and temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of deferred tax assets and liabilities are as follows (in millions):
|  | December 31,
|  | 2022 |  | 2021
Deferred tax assets: |  |  |  |
Bad debt, inventory and warranty accruals |  | $ | 30.8 |  |  | $ | 32.0 |
Other post-employment benefits, vacation and other reserves |  | 15.7 |  |  | 23.8 |
Tax credit and net operating loss carryforwards |  | 128.2 |  |  | 104.5 |
Lease obligations |  | 40.8 |  |  | 46.6 |
Other |  | 53.2 |  |  | 65.0 |
Total gross deferred tax assets |  | 268.7 |  |  | 271.9 |
Valuation allowance |  | (72.8) |  |  | (46.4) |
Total deferred tax assets |  | 195.9 |  |  | 225.5 |
Deferred tax liabilities: |  |  |  |
Property and equipment |  | 39.5 |  |  | 40.7 |
Lease assets |  | 38.7 |  |  | 44.5 |
Investments and intangible assets |  | 1,842.8 |  |  | 3,155.7 |
Total deferred tax liabilities |  | 1,921.0 |  |  | 3,240.9 |
Net deferred tax liabilities |  | $ | (1,725.1) |  |  | $ | (3,015.4) |
Tabular reconcilation of total amounts of unrecognized tax benefits [Table Text Block] | The following is a tabular reconciliation of the total amounts of unrecognized tax benefits (in millions):
|  | 2022 |  | 2021 |  | 2020
Unrecognized tax benefits – January 1 |  | $ | 61.9 |  |  | $ | 55.8 |  |  | $ | 39.2 |
Additions to tax positions related to prior years |  | 18.1 |  |  | 3.2 |  |  | 14.0 |
Reductions to tax positions related to prior years |  | (0.2) |  |  | (2.1) |  |  | (1.5) |
Additions to tax positions related to the current year |  | 9.8 |  |  | 18.1 |  |  | 3.4 |
Settlements |  | (2.2) |  |  | (2.4) |  |  | — |
Lapse of statute of limitations |  | (0.8) |  |  | (10.8) |  |  | (0.6) |
Foreign currency adjustments |  | (1.1) |  |  | 0.1 |  |  | 1.3 |
Unrecognized tax benefits – December 31 |  | $ | 85.5 |  |  | $ | 61.9 |  |  | $ | 55.8 |
Summary of Valuation Allowance | The valuation allowance for deferred tax assets is as follows (in millions):
| December 31,
| 2022 |  | 2021 |  | 2020
Beginning balance | $ | 46.4 |  |  |  | $ | 44.6 |  |  |  | $ | 67.2 |  |
Additions charged to expenses |  | 26.4 |  |  |  |  | 1.8 |  |  |  |  | — |  |
Deductions from reserves |  | — |  |  |  |  | — |  |  |  |  | (22.6) |  |
Ending balance | $ | 72.8 |  |  |  | $ | 46.4 |  |  |  | $ | 44.6 |  |

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