Employee Benefit Plans - Schedule of Benefit Obligation and Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Pension Benefits
Change in benefit obligation:
Benefit obligation at beginning of year	$ 2,261	$ 2,418
Service cost	21	21	$ 37
Interest cost	90	71	51
Plan amendment	0	20
Actuarial loss (gain)	301	(93)
Benefits paid	(102)	(67)
Curtailments	(21)	(7)
Settlements	(36)	(59)
Transfer from GE - UK Plan	837	0
Other	15	16
Foreign currency translation adjustments	85	(59)
Benefit obligation at end of year	3,451	2,261	2,418
Change in plan assets:
Fair value of plan assets at beginning of year	1,866	2,059
Actual return on plan assets	314	(60)
Employer contributions	23	51
Benefits paid	(102)	(67)
Settlements	(36)	(59)
Transfer from GE - UK Plan	851	0
Other	0	(9)
Foreign currency translation adjustments	88	(49)
Fair value of plan assets at end of year	3,004	1,866	2,059
Funded status - underfunded at end of year	(447)	(395)
Accumulated benefit obligation	3,401	2,225
Other Postretirement Benefits
Change in benefit obligation:
Benefit obligation at beginning of year	107	187
Service cost	1	2	2
Interest cost	4	5	6
Plan amendment	0	1
Actuarial loss (gain)	(16)	(23)
Benefits paid	(16)	(21)
Curtailments	0	(5)
Settlements	0	0
Transfer from GE - UK Plan	0	0
Other	0	(39)
Foreign currency translation adjustments	0	0
Benefit obligation at end of year	80	107	187
Change in plan assets:
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	16	21
Benefits paid	(16)	(21)
Settlements	0	0
Transfer from GE - UK Plan	0	0
Other	0	0
Foreign currency translation adjustments	0	0
Fair value of plan assets at end of year	0	0	$ 0
Funded status - underfunded at end of year	(80)	(107)
Accumulated benefit obligation	$ 80	$ 107