Equity Dividends Paid (Details) - USD ($) $ / shares in Units, $ in Billions	3 Months Ended
	Mar. 28, 2020	Sep. 28, 2019	Mar. 30, 2019
Dividends, Common Stock [Abstract]
Dividends paid, per share	$ 0.88	$ 0.88	$ 0.88
Dividends paid	$ 1.6	$ 1.6	$ 1.3