Organization and Basis of Presentation (Consolidated Variable Interest Entities) (Details) - USD ($) $ in Millions	3 Months Ended	8 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 552	$ 93
Accounts receivable	1,482	1,642
Property, plant, and equipment, net	26,236	25,317
Goodwill	2,466	2,464
Total Assets	43,232	41,882
Variable interest entity, primary beneficiary, restricted
ASSETS
Cash and cash equivalents	33	27
Accounts receivable	26	27
Inventories	101	74
Property, plant, and equipment, net	439	443
Goodwill	25	25
Intangible assets	538	542
Other current and long-term assets	2	2
Total Assets	1,164	1,140
LIABILITIES
Accounts payable and accrued current liabilities	15	15
Other current and long-term liabilities	13	14
Total liabilities	28	29
SGG
ASSETS
Cash and cash equivalents	20	16
Accounts receivable	7	8
Inventories	0	0
Property, plant, and equipment, net	408	410
Goodwill	25	25
Intangible assets	538	542
Other current and long-term assets	2	2
Total Assets	1,000	1,003
LIABILITIES
Accounts payable and accrued current liabilities	1	2
Other current and long-term liabilities	6	7
Total liabilities	$ 7	$ 9
VIE ownership and non-ownership percentage	100.00%
VIE ownership percentage	85.00%	85.00%
Other
ASSETS
Cash and cash equivalents	$ 13	$ 11
Accounts receivable	19	19
Inventories	101	74
Property, plant, and equipment, net	31	33
Goodwill	0	0
Intangible assets	0	0
Other current and long-term assets	0	0
Total Assets	164	137
LIABILITIES
Accounts payable and accrued current liabilities	14	13
Other current and long-term liabilities	7	7
Total liabilities	$ 21	$ 20