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Investments in Unconsolidated Entities | 6 Months Ended
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Jun. 30, 2018
Investments in Unconsolidated Entities [Abstract] |
Investments in Unconsolidated Entities | Note 8 Investments in Unconsolidated Entities Investments in unconsolidated entities consist of amounts invested in wireless entities in which U.S. Cellular holds a noncontrolling interest. On January 1, 2018, U.S. Cellular adopted Accounting Standards Update 2016-01, Financial Instruments – Overall: Recognition and Measurement of Financial Assets and Financial Liabilities (ASU 2016-01) using the modified retrospective approach. The adoption of ASU 2016-01 did not have a significant impact on U.S. Cellular’s financial position or results of operations. U.S. Cellular’s Investments in unconsolidated entities are accounted for using either the equity method or measurement alternative method as shown in the table below. The measurement alternative method was elected for investments without readily determinable fair values formerly accounted for under the cost method. The measurement alternative fair value represents cost minus any impairments plus or minus any observable price changes. U.S. Cellular did not have an impairment or observable price change related to these investments for the three and six months ended June 30, 2018.
| June 30, |  | December 31,
| 2018 |  | 2017
(Dollars in millions) |  |  |  |  |
Equity method investments | $ | 433 |  | $ | 411
Measurement alternative method investments |  | 6 |  |  | 4
Total investments in unconsolidated entities | $ | 439 |  | $ | 415
The following table, which is based in part on information provided by third parties, summarizes the combined results of operations of U.S. Cellular’s equity method investments.
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
(Dollars in millions) |  |  |  |  |  |  |  |  |  |  |
Revenues | $ | 1,655 |  | $ | 1,630 |  | $ | 3,312 |  | $ | 3,239
Operating expenses |  | 1,199 |  |  | 1,224 |  |  | 2,407 |  |  | 2,435
Operating income |  | 456 |  |  | 406 |  |  | 905 |  |  | 804
Other income (expense), net |  | 2 |  |  | (1) |  |  | 1 |  |  | (1)
Net income | $ | 458 |  | $ | 405 |  | $ | 906 |  | $ | 803

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- Definition The entire disclosure for cost method and equity method investments included basis, impairment losses, recognized or unrecognized gains (losses). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2197087 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -URI http://asc.fasb.org/topic&trid=2196965 + Details
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