General (Narrative) (Details) - USD ($) $ in Millions	Apr. 03, 2020	Jan. 01, 2020	Dec. 31, 2019
Operating lease, right-of-use asset	$ 827		$ 764
Operating lease, liability	$ 860		$ 797
ASU 2016-13
Effect of change in accounting principle on retained earnings		$ 8

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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