General (Narrative) (Details) - USD ($) $ in Millions	Oct. 02, 2020	Jan. 01, 2020	Dec. 31, 2019
Net decrease to beginning retained earnings	$ (26,087.8)		$ (24,166.3)
Operating lease, right-of-use asset	906.0		764.0
Operating lease, liability	$ 935.0		$ 797.0
Adoption of accounting standards \| ASU 2016-13
Net decrease to beginning retained earnings		$ 8.0

Present value of lessee's discounted obligation for lease payments from operating lease.

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