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Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current assets |  |
Customer and agent allowances | $ 74 | $ 71
Other allowances | 2 | 2
Investments |  |
Other intangible assets accumulated amortization | $ 167 | $ 168
TDS shareholders’ equity |  |
Authorized shares (in shares) | 290,000,000 | 290,000,000
Issued shares (in shares) | 133,000,000 | 133,000,000
Outstanding shares (in shares) | 115,000,000 | 114,000,000
Variable Interest Entities VIEs |  |
Total VIE assets that can be used to settle only the VIEs' obligations | $ 915 | $ 848
Total VIE liabilities for which creditors have no recourse | $ 20 | $ 21
Series A Common Shares |  |
TDS shareholders’ equity |  |
Authorized shares (in shares) | 25,000,000 | 25,000,000
Issued shares (in shares) | 7,000,000 | 7,000,000
Outstanding shares (in shares) | 7,000,000 | 7,000,000
Par value per share (in dollars per share) | $ 0.01 | $ 0.01
Common Shares |  |
TDS shareholders’ equity |  |
Authorized shares (in shares) | 265,000,000 | 265,000,000
Issued shares (in shares) | 126,000,000 | 126,000,000
Outstanding shares (in shares) | 108,000,000 | 107,000,000
Par value per share (in dollars per share) | $ 0.01 | $ 0.01
Treasury shares (in shares) | 18,000,000 | 19,000,000

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