Audit Information |
12 Months Ended |
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Dec. 31, 2021 | |
| Audit Information [Abstract] | |
| Auditor Firm ID | 238 |
| Auditor Name | PricewaterhouseCoopers LLP |
| Auditor Location | Chicago, Illinois |
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- Definition Audit Information No definition available.
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- Definition PCAOB issued Audit Firm Identifier Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References Reference 1: http://www.xbrl.org/2003/role/presentationRef
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