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Supplemental Cash Flow Disclosures
 12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Disclosures
Note 18 Supplemental Cash Flow Disclosures
Following are supplemental cash flow disclosures regarding interest paid and income taxes paid.
Year Ended December 31,
2019
 
2018
 
2017
(Dollars in millions)
 
 
 
 
 
Interest paid
$
107

 
$
113

 
$
111

Income taxes paid, net of refunds received
78

 
90

 
55


Following are supplemental cash flow disclosures regarding transactions related to stock-based compensation awards. In certain situations, U.S. Cellular withholds shares that are issuable upon the exercise of stock options or the vesting of restricted shares to cover, and with a value equivalent to, the exercise price and/or the amount of taxes required to be withheld from the stock award holder at the time of the exercise or vesting. U.S. Cellular then pays the amount of the required tax withholdings to the taxing authorities in cash.
Year Ended December 31,
2019
 
2018
 
2017
(Dollars in millions)
 

 
 

 
 

Common Shares withheld
452,000

 
1,550,000

 
145,000

 
 
 
 
 
 
Aggregate value of Common Shares withheld
$
23

 
$
73

 
$
6

 
 
 
 
 
 
Cash receipts upon exercise of stock options
1

 
29

 
5

Cash disbursements for payment of taxes
(10
)
 
(11
)
 
(4
)
Net cash receipts (disbursements) from exercise of stock options and vesting of other stock awards
$
(9
)
 
$
18

 
$
1