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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | Valuation and Qualifying Accounts The table below provides changes in the allowance for credit losses over each period:
(in millions) | 2022 |  | 2021 |  | 2020
Balance at beginning of year | $ | 35 |  |  | $ | 38 |  |  | $ | 25 |
Additions charged to expense | 5 |  |  | 2 |  |  | 25 |
Deductions/other | (6) |  |  | (5) |  |  | (12) |
Balance at end of year | $ | 34 |  |  | $ | 35 |  |  | $ | 38 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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