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Revenue Recognition (Tables)
 12 Months Ended
Dec. 31, 2019
Revenue Recognition [Abstract]  
Disaggregation Of Revenue

 
For the year ended December 31,
  
($ in millions)
  
2019
    
2018
    
2017 (1)
  
Data and Internet services
  
$
3,756
    
$
3,878
    
$
3,862
  
Voice services
    
2,500
      
2,721
      
2,864
  
Video services
    
1,005
      
1,085
      
1,304
  
Other
    
477
      
544
      
322
  
                         
Revenue from contracts with customers
    
7,738
      
8,228
      
8,352
  
Subsidy and other regulatory revenue
    
369
      
383
      
776
  
Total revenue
  
$
8,107
    
$
8,611
    
$
9,128
  


 
For the year ended December 31,
  
($ in millions)
  
2019
    
2018
    
2017 (1)
  
Consumer
  
$
4,153
    
$
4,380
    
$
4,476
  
Commercial
    
3,585
      
3,848
      
3,876
  
                         
Revenue from contracts with customers
    
7,738
      
8,228
      
8,352
  
Subsidy and other regulatory revenue
    
369
      
383
      
776
  
Total revenue
  
$
8,107
    
$
8,611
    
$
9,128
  

(1)
Revenues for the year ended December 31, 2017 have not been adjusted under the modified retrospective method of adoption of ASC 606.
Summary Of Changes In Deferred Commissions

 
Contract Acquisition Costs
  
($ in millions)
  
Current
    
Noncurrent
  
             
Balance at January 1, 2018
  
$
87
    
$
117
  
Commissions deferred
    
128
      
10
  
Commission costs recognized
    
(108
)
    
-
  
Balance at December 31, 2018
    
107
      
127
  
Commissions deferred
    
138
      
6
  
Commission costs recognized
    
(131
)
    
-
  
Reclass to assets held for sale
    
(9
)
    
(12
)
Balance at December 31, 2019
  
$
105
    
$
121
  

Changes In Contract Assets And Contract Liabilities

 
Contract Assets
    
Contract Liabilities
  
($ in millions)
  
Current
    
Noncurrent
    
Current
    
Noncurrent
  
                         
Balance at January 1, 2019
  
$
44
    
$
25
    
$
49
    
$
22
  
Revenue recognized included in opening contract balance
    
(39
)
    
(12
)
    
(81
)
    
(17
)
Cash received, excluding amounts recognized as revenue
    
-
      
-
      
78
      
16
  
Credits granted, excluding amounts recognized as revenue
    
30
      
1
      
-
      
-
  
Reclassified between Current and Noncurrent
    
5
      
(5
)
    
-
      
-
  
Reclassified to held for sale
    
(3
)
    
(1
)
    
(5
)
    
-
  
Balance at December 31, 2019
  
$
37
    
$
8
    
$
41
    
$
21
  


 
Contract Assets
    
Contract Liabilities
  
($ in millions)
  
Current
    
Noncurrent
    
Current
    
Noncurrent
  
                         
Balance at January 1, 2018
  
$
40
    
$
37
    
$
41
    
$
19
  
Revenue recognized included in opening contract balance
    
(49
)
    
(8
)
    
(106
)
    
(13
)
Cash received, excluding amounts recognized as revenue
    
-
      
-
      
129
      
6
  
 Credits granted, excluding amounts recognized as revenue
    
49
      
-
      
-
      
-
  
Reclassified between Current and Noncurrent
    
4
      
(4
)
    
(10
)
    
10
  
Other
    
-
      
-
      
(5
)
    
-
  
Balance at December 31, 2018
  
$
44
    
$
25
    
$
49
    
$
22
  

Performance Obligations, Revenue
($ in millions)
  
Revenue from remaining
performance obligations
  
       
2020
  
$
2,163
  
2021
    
957
  
2022
    
431
  
2023
    
200
  
2024
    
107
  
Thereafter
    
160
  
Total
  
$
4,018
(1) 


(1)
Future performance obligations include $289 million related to our Northwest Operations.