Summary of Significant Accounting Policies - Advertising Costs (Details) $ in Millions |
12 Months Ended |
|---|---|
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Dec. 31, 2021
USD ($)
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| Selling, general and administrative | |
| Advertising expense | $ 5 |
| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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