Earnings Per Share (Details Textuals) - USD ($) shares in Thousands, $ in Millions		9 Months Ended
	Oct. 01, 2019	Sep. 30, 2019	Sep. 30, 2018
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Proceeds from issuance of common stock under stock purchase contract associated with 2016 Series C Equity Units		$ 0	$ 7
Subsequent event | Stock Purchase Contract, 2016 Series C Equity Units Subject to Mandatory Redemption
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Shares of common stock issued under stock purchase contracts (in shares)	5,870
Proceeds from issuance of common stock under stock purchase contract associated with 2016 Series C Equity Units	$ 675