Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Narrative) (Details)

v3.19.1
Earnings Per Share (Narrative) (Details) - shares
shares in Millions
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Stock Options, Restricted Stock Units, Conversion of Notes, and Warrants Under Warrant Agreement    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares (in shares) 103 103
2.125% Convertible Senior Notes due 2026    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Stated interest rate 2.125%