Amortized Cost and Fair Value of Available for Sale Debt Securities by Expected Maturity (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Cost
Due in one year or less	$ 437,236	$ 563,272
Due after one year through five years	3,836,333	2,831,916
Due after five years through ten years	1,661,143	542,488
Due after ten years	5,238	6,783
Amortized Cost	5,939,950	3,944,459
Fair Value
Due in one year or less	438,105	560,992
Due after one year through five years	3,900,904	2,768,971
Due after five years through ten years	1,727,594	541,852
Due after ten years	5,436	6,895
Available-for-sale Securities, Debt Maturities, Fair Value	$ 6,072,039	$ 3,878,710

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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