Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies Operating Leases (Details)

Commitments and Contingencies Operating Leases (Details)
$ in Millions
9 Months Ended
Jun. 30, 2019
USD ($)
Leases, Operating [Abstract]  
Due in remainder of fiscal year- unrecorded obligations $ 2,249
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
Description of lessee leasing arrangements, operating leases We lease certain of our land, facilities and equipment under noncancelable operating leases, with terms ranging from less than one year to 15 years and with provisions in certain leases for cost-of-living increases.
Remainder due in current fiscal year - operating lease $ 42
Due in two years - operating leases 123
Due in three years - operating leases 95
Due in four years - operating leases 66
Due in five years - operating leases 28
Thereafter - operating leases 45
Total operating leases payments due $ 399