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Summary of Basis of Presentation and Recent Accounting Standards (Tables)

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Schedule of Components of Accumulated Other Comprehensive Income (Loss)

The components of accumulated other comprehensive loss for the three and six months ended June 30, 2024 were as follows (in millions): 

			Unrealized Gains on Available-for-Sale Debt Securities												Pension and Postretirement Benefits						Total
Accumulated other comprehensive loss, balance at December 31, 2023			$	(114)											$	(9)					$	(123)
Other comprehensive income			22												—						22
Accumulated other comprehensive loss, balance at March 31, 2024			(92)												(9)						(101)
Other comprehensive income			30												—						30
Accumulated other comprehensive loss, balance at June 30, 2024			$	(62)											$	(9)					$	(71)

Schedule of Reconciliation of Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents and restricted cash in the condensed consolidated balance sheets that sum to the total of the same such amounts shown in the condensed consolidated statements of cash flows (in millions):

						June 30,
						2024						2023
Cash and cash equivalents						$	2,478					$	3,801
Restricted cash, non-current(1)						2						21
Total cash, cash equivalents and restricted cash shown in the condensed consolidated     statements of cash flows						$	2,480					$	3,822

_______

(1)Included in other non-current assets in the condensed consolidated balance sheets.

Schedule of Reconciliation of Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash in the condensed consolidated balance sheets that sum to the total of the same such amounts shown in the condensed consolidated statements of cash flows (in millions):

						June 30,
						2024						2023
Cash and cash equivalents						$	2,478					$	3,801
Restricted cash, non-current(1)						2						21
Total cash, cash equivalents and restricted cash shown in the condensed consolidated     statements of cash flows						$	2,480					$	3,822

_______

(1)Included in other non-current assets in the condensed consolidated balance sheets.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
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-Section 45
-Paragraph 14A
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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