Financial Instruments (Tables)

3 Months Ended

Mar. 30, 2018

Investments, All Other Investments [Abstract]

Carrying Amounts and Estimated Fair Values of Company's Long-Term Debt and Foreign Currency Forward Contracts

The carrying amounts and estimated fair values of the Company’s other financial instruments are presented in the table below.

	March 30, 2018				December 31, 2017
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
	(in millions)
Senior Notes (1)	$	3,331	$	3,429	$	3,330	$	3,502
Foreign currency forward contracts (2)	$	7	$	7	$	10	$	10

__________________

⁽¹⁾  The Company measures the fair value of its Senior Notes using Level 2 inputs based primarily on current market yields for its existing debt traded in the secondary market.

⁽²⁾  The Company measures the fair values of foreign currency forward contracts based on forward exchange rates. See Note 18 for additional disclosures regarding the notional amounts and fair values of foreign currency forward contracts.