Income Taxes (Tables)

9 Months Ended

Jun. 30, 2019

Income Tax Disclosure [Abstract]

Summary of Changes in Unrecognized Tax Benefits

Changes in unrecognized tax benefits are summarized as follows for the nine months ended June 30, 2019.

(In millions)
Balance at October 1, 2018	$	164
Decreases related to positions taken on items from prior years		(3	)
Increases related to positions taken in the current year		5
Lapse of statute of limitations		(8	)
Balance at June 30, 2019	$	158