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v3.19.3.a.u2

Significant Accounting Policies (Cash Flows) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net income | $ 59 | $ 58 | $ 50 | $ 42 | $ 53 | $ 56 | $ 64 | $ 137 | $ 209 | $ 310 | $ 440
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates | $ (11) | $ (9) | $ (15) | $ 0 | $ (29) | $ (17) | $ (12) | $ (21) | (35) | (79) | (70)
Deferred income tax (benefit) expense |  |  |  |  |  |  |  |  | (14) | 26 | (322)
Changes in operating assets and liabilities, net of acquired businesses: |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net of allowances for doubtful accounts |  |  |  |  |  |  |  |  | (16) | (203) | 92
Contract assets |  |  |  |  |  |  |  |  | (31) | 25 | 40
Contract liabilities |  |  |  |  |  |  |  |  | 19 | (60) | (198)
Other assets and liabilities |  |  |  |  |  |  |  |  | (84) | (7) | (148)
Total cash flows provided by operating activities |  |  |  |  |  |  |  |  | $ 256 | 165 | $ 193
Calculated under Revenue Guidance in Effect before Topic 606 |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  | 300 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  |  | (75) |
Deferred income tax (benefit) expense |  |  |  |  |  |  |  |  |  | 25 |
Changes in operating assets and liabilities, net of acquired businesses: |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net of allowances for doubtful accounts |  |  |  |  |  |  |  |  |  | 130 |
Contract assets |  |  |  |  |  |  |  |  |  | (286) |
Contract liabilities |  |  |  |  |  |  |  |  |  | (77) |
Other assets and liabilities |  |  |  |  |  |  |  |  |  | (5) |
Total cash flows provided by operating activities |  |  |  |  |  |  |  |  |  | 165 |
Adjustments Due to Topic 606 | Difference between Revenue Guidance in Effect before and after Topic 606 |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  | 10 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  |  | (4) |
Deferred income tax (benefit) expense |  |  |  |  |  |  |  |  |  | 1 |
Changes in operating assets and liabilities, net of acquired businesses: |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net of allowances for doubtful accounts |  |  |  |  |  |  |  |  |  | (333) |
Contract assets |  |  |  |  |  |  |  |  |  | 311 |
Contract liabilities |  |  |  |  |  |  |  |  |  | 17 |
Other assets and liabilities |  |  |  |  |  |  |  |  |  | (2) |
Total cash flows provided by operating activities |  |  |  |  |  |  |  |  |  | $ 0 |

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