Quarterly report pursuant to Section 13 or 15(d)

Equity Joint Venture (Details)

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Equity Joint Venture (Details)
 3 Months Ended
Mar. 31, 2018
USD ($)
Apr. 01, 2017
USD ($)
Dec. 30, 2017
USD ($)
Feb. 29, 2016
USD ($)
legal_entity
Schedule of Equity Method Investments [Line Items]        
Operating income [1] $ 0 $ 27,000,000    
Carrying value of investment [2] 57,000,000   $ 58,000,000  
Prepayment and other receivables - related parties [2] 18,000,000   33,000,000  
THATIC JV        
Schedule of Equity Method Investments [Line Items]        
Number of legal entities | legal_entity       2
Carrying value of investment 0      
Prepayment and other receivables - related parties 300,000   $ 3,000,000  
THATIC JV | Licensing gain        
Schedule of Equity Method Investments [Line Items]        
Estimated license fees expected to be earned over several years pursuant to a licensing agreement       $ 293,000,000
Operating income 0 27,000,000    
THATIC JV | Other services        
Schedule of Equity Method Investments [Line Items]        
Recognized credits to research and development expenses 0 0    
THATIC JV | Development and IP agreement        
Schedule of Equity Method Investments [Line Items]        
Recognized credits to research and development expenses 0 0    
THATIC JV | Royalty income        
Schedule of Equity Method Investments [Line Items]        
Operating income $ 0 $ 0    
[1] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.
[2] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.