Leases Balance Sheet (Details 2) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets and Liabilities, Lessee [Abstract]
Operating lease right-of-use assets	$ 1,655	$ 1,533
Operating Lease, Liability, Current	284	263
Operating Lease, Liability, Noncurrent	1,590	1,343
Total operating lease liabilities	1,874	1,606
Operating Lease, Liability, Current	$ 284	$ 263