Leases - Assets and Liabilities (Details) $ in Millions	Sep. 28, 2019 USD ($)
Assets:
Operating lease assets	$ 561
Finance lease assets	43
Total lease assets	604
Current liabilities:
Operating lease liabilities	118
Finance lease liabilities	13
Total lease liabilities, current	131
Non-current liabilities:
Operating lease liabilities	499
Finance lease liabilities	18
Total lease liabilities, non-current	$ 517