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Other Non-Operating Income, Net | 12 Months Ended
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Dec. 31, 2021
Other Income and Expenses [Abstract] |
Other Non-Operating Income, Net | Other Non-Operating (Expense) Income, Net The components of other non-operating income, net are as follows:
| Year Ended December 31,
(in millions) | 2021 |  | 2020 |  | 2019
Interest income | $ | 7 |  |  | $ | 7 |  |  | $ | 5 |
Income from equity method investments | 9 |  |  | 2 |  |  | 3 |
Other (expense) income – net | (16) |  |  | (14) |  |  | (12) |
Total other non-operating (expense) income, net | $ | — |  |  | $ | (5) |  |  | $ | (4) |

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