Quarterly report pursuant to Section 13 or 15(d)

New Accounting Pronouncements (Impact of Adoption on Condensed Consolidated Balance Sheet) (Details)

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New Accounting Pronouncements (Impact of Adoption on Condensed Consolidated Balance Sheet) (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Dec. 31, 2017
Assets    
Other current assets $ 95 $ 54
Total current assets 805 334
Other non-current assets 244 187
Total assets 4,934 2,137
Liabilities and net investment    
Deferred income 97 84
Total current liabilities 700 411
Deferred income taxes 400 173
Deferred income 144 164
Other non-current liabilities 125 46
Total liabilities 3,498 875
Former Parent’s net investment 0 1,257
Total liabilities and net investment $ 4,934 2,137
Previously Reported Balance    
Assets    
Other current assets   50
Total current assets   330
Other non-current assets   176
Total assets   2,122
Liabilities and net investment    
Deferred income   79
Total current liabilities   406
Deferred income taxes   181
Deferred income   76
Other non-current liabilities   78
Total liabilities   822
Former Parent’s net investment   1,295
Total liabilities and net investment   2,122
New Revenue Standard Adjustment | Accounting Standards Update 2014-09    
Assets    
Other current assets   4
Total current assets   4
Other non-current assets   11
Total assets   15
Liabilities and net investment    
Deferred income   5
Total current liabilities   5
Deferred income taxes   (8)
Deferred income   88
Other non-current liabilities   (32)
Total liabilities   53
Former Parent’s net investment   (38)
Total liabilities and net investment   $ 15