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Debt and Other Financing Arrangements - Short Term Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
Maturities classified as current $ 3 $ 4
Short-term borrowings 171 179
Bank overdrafts 1 2
Total short-term debt $ 175 $ 185