Accrued Expenses And Other Liabilities (Accrued Expenses And Other Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current
Compensation and benefits	$ 1,393	$ 931
Pension and postretirement benefits	69	151
Taxes, income and other	552	356
Deferred revenue	1,212	688
Sales and product allowances	200	115
Operating lease liabilities	189	158
Cross-currency swap derivative liabilities	622	112
Other	1,105	694
Total	5,342	3,205
Noncurrent
Compensation and benefits	178	223
Pension and postretirement benefits	1,502	898
Taxes, income and other	4,951	3,309
Deferred revenue	205	118
Sales and product allowances	2	2
Operating lease liabilities	785	639
Cross-currency swap derivative liabilities	0	0
Other	166	162
Total	$ 7,789	$ 5,351